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Hooker Headers Competition Headers 265-400 Chevy Small Block V8

520-2452-1


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Hooker Headers 2452-1
$473.95
2 left in stock
Competition Headers
  • 265-400 Chevy Small Block V8
  • 1969-91 Blazer, Suburban, Jimmy, Yukon 2WD
  • 1963-87 1/2, 3/4, & 1 Ton Truck 2WD
  • 1.625'' x 27'' Primary Tubes
  • 2.5'' x 8'' Collector
  • Metallic Ceramic Coated
  • Free Shipping - Ships
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    1971  CHEVROLET C10 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1971  CHEVROLET C10 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1971  CHEVROLET C10 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1980-1981  GMC C1500 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1966-1967  CHEVROLET C30 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit Angle Plug Heads~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1971  CHEVROLET C10 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1981-1986  GMC C1500

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1971  CHEVROLET C10 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~ Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~ Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~ Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~ Will Not Fit Angle Plug Heads~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET C10 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  GMC C15/C1500 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1979  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1973  CHEVROLET BLAZER

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1979  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970  CHEVROLET BLAZER

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1967  CHEVROLET C20 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~ Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~ Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~ Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~ Will Not Fit Angle Plug Heads~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1971  GMC C15/C1500 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1980  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981  CHEVROLET C10 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DELUXE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1978-1979  CHEVROLET C30

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1969-1970  CHEVROLET C20 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  GMC C15

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1970-1972  CHEVROLET C20 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974  GMC C25/C2500 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Will Not Fit Angle Plug Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969  GMC C35/C3500 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1980-1986  GMC C2500 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  CHEVROLET K5 BLAZER

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1970  GMC C25/C2500 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1976-1979  CHEVROLET C20

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1982  CHEVROLET K5 BLAZER

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1981-1986  GMC C1500

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1972  GMC C15/C1500 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1978  GMC C15

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975-1976  GMC C25

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1978-1979  CHEVROLET C30

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1980  CHEVROLET C20

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1969-1970  GMC C15/C1500 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit Angle Plug Heads~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980-1982  GMC C2500 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  GMC C25/C2500 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1974  CHEVROLET C10 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  GMC C2500

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1977-1978  GMC C25 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1977-1979  CHEVROLET C10

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1969-1970  CHEVROLET C10 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1989-1991  CHEVROLET R3500

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  GMC C25 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~ Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~ Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~ Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  GMC JIMMY

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969-1974  GMC C25/C2500 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  CHEVROLET K5 BLAZER

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  GMC C35/C3500 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970  GMC C25/C2500 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1976-1978  GMC C35

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972  CHEVROLET BLAZER

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Will Not Fit Angle Plug Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970  GMC JIMMY

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit Angle Plug Heads~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1981-1986  GMC C2500

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1977-1979  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1971  GMC C15/C1500 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit Angle Plug Heads~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  GMC C15/C1500 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1977-1978  GMC C25 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1979  GMC JIMMY

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~ Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~ Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~ Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975-1976  GMC C35

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982  GMC JIMMY

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Reducers Available With Oxygen Sensor~ Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~ Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~ Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~ Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972  GMC C25/C2500 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1973-1975  GMC JIMMY

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968  CHEVROLET C30 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1980-1981  GMC C1500 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  GMC C15/C1500 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1970  GMC C25/C2500 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~ Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~ Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~ Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~ Will Not Fit Angle Plug Heads~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  GMC C1500

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985  GMC C1500

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Reducers Available With Oxygen Sensor~ Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~ Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~ Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~ Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1980-1984  GMC JIMMY

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987  CHEVROLET R10

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1984  CHEVROLET K5 BLAZER

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Reducers Available With Oxygen Sensor~ Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~ Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~ Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~ Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1973  GMC C25/C2500 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1980-1981  GMC JIMMY

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: STREET COUPE
    • Engine Vin: G
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1981  CHEVROLET C10 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DELUXE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  GMC C25/C2500 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1987  CHEVROLET R20

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981  GMC JIMMY

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Reducers Available With Oxygen Sensor~ Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~ Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~ Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~ Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1979  GMC C2500

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1973-1974  GMC C35/C3500 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit Angle Plug Heads~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  GMC JIMMY

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1985-1986  CHEVROLET C10 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1978  GMC C25

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  GMC C25

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1981-1986  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  GMC C15/C1500 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  GMC C35

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981  GMC JIMMY

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Reducers Available With Oxygen Sensor~ Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~ Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~ Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~ Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1969-1973  CHEVROLET C30 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  GMC C2500

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972  CHEVROLET C20 PICKUP

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1971  CHEVROLET BLAZER

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Intended For Race Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1981  CHEVROLET C20

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1982  CHEVROLET C10 SUBURBAN

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Reducers Available With Oxygen Sensor~ Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975  GMC C15

    • Fitment_Note: Metallic Ceramic Coating; Tube Size 1.625 in. x 27 in.; Collector Size 2.5 in./Length 8 in.; Port Shape Same As Port;Off-Road Use Only; Header Wraps Can Cause Tubes To Crack Or Rust From Excessive Heat/Moisture~ Engine Break In Will Damage Ceramic Coated Headers And Void Warranty~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street~ Will Not Fit With Angle Plug Or Raised Port Heads
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )
    2452-1 - Hooker Headers Competition Headers Chevy/GM Truck is rated 3.0 out of 5 by 3.
    Rated 4 out of 5 by from Hooker headers They had some scratches on them when I opened them up the box was broke open on my front porch from delivery. But when I installed them I had to cut my frame top and bottom on both sides. Other them that great quality nice looking.
    Date published: 2017-06-19
    Rated 4 out of 5 by from Good fit; good looking. They bolted up easily on my '72 Suburban, and are really nice looking headers. The sit close to the spark plugs, so some tight 90-degree plug wires are in order. One of the tubes touched on of the brake lines, so I had to bend the line slightly, but no big deal.
    Date published: 2015-06-26
    Rated 1 out of 5 by from Poorly made I was very dissatisfied with this product for the price and ended up sending two sets of them back. The ceramic coating was splotchy, there was already surface rust on the outside and inside of the header. Frankly, both sets looked like they had been previously used. Headers were also dinged and ceramic was chipped in spots as well. While I'm glad jegs refunded my money quickly I'm not too pleased about eating the 60 dollar return shipping cost.
    Date published: 2017-10-20
    • y_2020, m_2, d_16, h_18
    • bvseo_bulk, prod_bvrr, vn_bulk_3.0.5
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_3
    • loc_en_US, sid_10001_10001_36656, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs

    Items You Need

    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.