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Hooker Headers Super Comp Headers 265-400 Small Block Chevy

520-2827


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Hooker Headers 2827
$564.95
Super Comp Headers
  • 265-400 Small Block Chevy
  • 1967-87 1/2, 3/4, 1-Ton
  • 1969-97 Blazer, Carryall, Yukon, Jimmy
  • 1969-97 Suburban, Tahoe 2-dr
  • 4WD Only
  • 1.625'' x 28'' Primary Tubes
  • 2.5''x 8'' Collector
  • Black Painted
  • Free Shipping - Ships directly from the manufacturer
    QTY

    Does Hooker Headers 2827 fit your vehicle?

    Narrow Results

    1981-1986  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  GMC K15 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1987  GMC V1500

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974  GMC K15/K1500 PICKUP

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987-1988  CHEVROLET V20 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1980  CHEVROLET K20

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: G
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1980-1986  GMC K2500

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982-1983  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972  GMC K25/K2500 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1984  CHEVROLET K5 BLAZER

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1972  GMC K15/K1500 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  GMC K25/K2500 PICKUP

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  GMC K1500

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  CHEVROLET K20

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1969  CHEVROLET K30 PICKUP

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1970  CHEVROLET K30 PICKUP

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1980  GMC K3500

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976  GMC K15

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1985-1986  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987-1988  CHEVROLET V30

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968  CHEVROLET K10 PICKUP

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1968  CHEVROLET K20 PICKUP

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1975  GMC K15 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970  GMC K25/K2500 PICKUP

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1979  GMC K1500 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET K10

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1975  GMC JIMMY

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980  CHEVROLET K20

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: G
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1981-1986  GMC JIMMY

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1969  CHEVROLET K30 PICKUP

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1969  GMC K35/K3500 PICKUP

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1975  GMC K25

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975  CHEVROLET K20

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  GMC K25/K2500 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1973-1974  GMC JIMMY

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974  GMC K15/K1500 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1986  CHEVROLET K20

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1967  CHEVROLET K10 PICKUP

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1976  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980  CHEVROLET K10

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  GMC K15/K1500 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1976  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976-1978  GMC K15

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  GMC K1500

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1969  GMC K25/K2500 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1987-1989  GMC V1500 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976  CHEVROLET K10

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981  CHEVROLET K10

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DELUXE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1970-1972  CHEVROLET K10 PICKUP

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  GMC K25

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: P
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980-1982  GMC K2500 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980-1986  GMC K1500 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972  GMC JIMMY

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1987-1988  CHEVROLET V30

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1979  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DELUXE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1977-1979  GMC JIMMY

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1969-1974  CHEVROLET K20 PICKUP

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980-1983  CHEVROLET K20

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976  CHEVROLET K20

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  GMC K3500

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  GMC K15

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  GMC K3500

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975  GMC JIMMY

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987-1988  CHEVROLET V30

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1979  GMC JIMMY

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: STREET COUPE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1968  CHEVROLET K10 PICKUP

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1975-1976  GMC K15 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976  CHEVROLET K5 BLAZER

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  GMC K1500

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1986  GMC JIMMY

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1981-1982  CHEVROLET K5 BLAZER

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1977-1978  GMC K25 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1979  CHEVROLET K30

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1976  GMC K25

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  GMC K1500 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980-1981  GMC K2500 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1979  GMC JIMMY

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  CHEVROLET K10 PICKUP

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987  GMC V1500

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1985-1986  GMC K1500

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  GMC K2500

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970  GMC JIMMY

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1973-1974  GMC K15/K1500 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  GMC K25 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1978  GMC K15

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1976-1978  GMC K15

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: P
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  GMC K3500

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980  CHEVROLET K30

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976-1979  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980-1986  GMC K2500

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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~Reducers Available With Oxygen Sensor
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Black Finish; Tube Size 1.625 in. x 28 in.; Coll. Size 2.5 in. x 8 in. L; Port Shape Same As Port; Will Not Fit Angle Plug Heads;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
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    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.