800.345.4545
Unrivaled Customer Service
And Expert Tech Advice!  
FREE SHIPPING!
Same Day Shipping Before 11 PM ET
0
My Cart
0
0
Shop By Vehicle
Shop By
Category
Close Menu
Shop By Vehicle
Top Categories
All Categories

Top Categories

Brakes & Drivetrain
Brakes & Drivetrain
Cooling, AC & Heating
Cooling, AC & Heating
Engines & Components
Engines & Components
Exhaust Systems
Exhaust Systems
Fuel, Carbs & Intakes
Fuel, Carbs & Intakes
Fittings & Hose
Fittings & Hose
Ignition & Electrical
Ignition & Electrical
Safety & Seats
Safety & Seats
Transmission & Drivetrain
Transmission & Drivetrain
Wheels & Tires
Wheels & Tires

All Categories

Air Filters & Cold Air Kits
Air Filters & Cold Air Kits
Apparel, Hats & Shoes
Apparel, Hats & Shoes
Batteries & Accessories
Batteries & Accessories
Bracket Racing
Bracket Racing
Cameras
Cameras
Cams & Valvetrain
Cams & Valvetrain
Car Care
Car Care
Chrome & Engine Dress-Up
Chrome & Engine Dress-Up
Circle Track
Circle Track
Collectibles & Books
Collectibles & Books
Computer Tuning
Computer Tuning
Fasteners & Gaskets
Fasteners & Gaskets
Gauges & Tachs
Gauges & Tachs
Golf Cart Accessories
Golf Cart Accessories
Hoods, Scoops & Body
Hoods, Scoops & Body
Interior Accessories
Interior Accessories
Jeep Parts & Accessories
Jeep Parts & Accessories
JEGS Easy Kits
JEGS Easy Kits
Jr. Dragster
Jr. Dragster
LS / LT Performance
LS / LT Performance
Mopar Performance
Mopar Performance
Mustang & Ford Racing
Mustang & Ford Racing
Oil System
Oil System
Power Adders
Power Adders
RC Car, Truck & Helicopter
RC Car, Truck & Helicopter
Restoration
Restoration
Shifters
Shifters
Starters & Alternators
Starters & Alternators
Steering & Suspension
Steering & Suspension
Timing Chains & Pulleys
Timing Chains & Pulleys
Tools & Garage Gear
Tools & Garage Gear
Trailer, Towing & Winches
Trailer, Towing & Winches
Truck Parts & Accessories
Truck Parts & Accessories
Shop By Brand
Shop Deals
Shop New Products
Free Catalog
E-Mail Signup
My Account
Track Order
Gift Certificates
Rebates
Help
View All FlowTech Headers
Flowtech

Flowtech Long Tube Headers

Flowtech 31500
Consider JEGS Branded
JEGS 300110 - Metallic Ceramic Coated Long Tube Headers 1973-1987 Small Block Chevy Truck/SUV (265-400 c.i.)
Only $379.99
Get Details
Why JEGS?

387-31500

jegs shipping
FREE Shipping
Ships
Easy Returns
Easy Returns
Lowest Price Guarantee
Lowest Price Guarantee
Flowtech Long Tube Headers $333.95
Long Tube Headers
  • Chevy 283-400
  • 1966-87 Chevy/GMC 1/2, 3/4 & 1-Ton 2WD/4WD
  • 1966-91 Blazer/Jimmy K5, Suburban 4WD
  • 1967-87 Chevy Blazer & GMC Jimmy 2WD
  • 1988-91 Chevy/GMC 1-Ton Crew Cab 2WD/4WD
  • 1.5" Tube
  • 3'' Collector
  • Ceramic Coated

    • Flowtech 31500 Details

    GM Truck/SUV

  • For emissions A.I.R. Injection Tubes use part number 387-11500S
  • Must modify stock exhaust to retain catalytic converters
  • Installation Requires A/C Bracket 387-10042
  • Applications with oxygen sensors use reducers 387-10110 for 3'' three bolt flange
  • Pre-1970 Models w/Exhaust Manifold Mounted Alt./Gen. Use Bracket 387-10031
  • May require clutch linkage modifications
  • On 1983-84 4WD, it is necessary to remove the rubber stopper below the starter
  • On 1988-91 1-Ton Crew Cab Pickup, only fits C30 chassis
  • Will not fit angle plug heads

    • Specifications:

    Engine Make/Size
    Chevy Small Block (262-400)
    Material
    Mild Steel
    Coating/Finish
    Metallic Ceramic
    Collector Tube Size (in.)
    3
    Application
    Automotive
    Tube Diameter
    1.5
    Port Shape
    Round
    Tube Direction
    Down Swept
    Gaskets Included
    Yes
    Header Finish
    Silver ceramic coated
    Header Material
    Steel
    Header Style
    Full-length
    Motor Mounts Included
    No
    Tuned
    No
    Bolts/Studs Included
    Yes
    Catalytic Converter(s) Included
    No
    Cross Over Pipe Included
    No
    Reducers Included
    Yes
    Transmission Mount Included
    No
    Weld-Up
    No
    Primary Tube Diameter (in.)
    1 1/2
    Quantity
    Sold as a pair
    Primary Tube Gauge
    18-gauge
    Flange Style
    Standard
    Collector Attachment
    3-bolt flange
    Collector Diameter (in.)
    3
    Finish
    Silver Metallic Ceramic
    Tube Size
    1.5
    Manufacturer's Part Number:
    31500

    Performance Plus Fuel Economy at a Price You Can Afford!

    FlowTech headers are made of 16-gauge tubing that's welded to O-ring port exhaust flanges on one end and mandrel-formed collectors on the other. You get a premium performance-minded design with a budget-minded attitude!

    Features

    • 16-gauge (.049" thick) cold-rolled mild steel (except stainless steel were noted)
    • Precision engineered for performance, fuel economy, and fit
    • Mandrel-formed plenum increases flow for more power
    • Leakproof O-ring port seals quality tested by FlowTech
    • Finished with black paint or ceramic coating, polished available for some applications

    Does Flowtech 31500 fit your vehicle?

    Narrow Results

    1972 CHEVROLET K20 PICKUP

    • CC: 5736
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979 GMC C3500 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • SubModel: SIERRA GRANDE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1969 CHEVROLET K20 PICKUP

    • CC: 5736
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Exhaust Manifold Mounted Alternator; Use Bracket PN[10031FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1986 CHEVROLET K20 SUBURBAN

    • CC: 5031
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: CUSTOM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1980 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 CHEVROLET K20 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1980 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983-1984 GMC JIMMY

    • Fitment_Note: Must Remove The Rubber Stopper Below The Starter On 4WD Only~Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: HIGH SIERRA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1981 CHEVROLET K20 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1982 CHEVROLET K20 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973 CHEVROLET K20 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1986 GMC JIMMY

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985 GMC JIMMY

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968 GMC K25/K2500 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Exhaust Manifold Mounted Alternator; Use Bracket PN[10031FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.4
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1975-1979 CHEVROLET K20 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • SubModel: CHEYENNE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1978 CHEVROLET C20 PICKUP

    • CC: 5031
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: CHEYENNE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1982 CHEVROLET K20 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1986 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 CHEVROLET K10 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: N
    • SubModel: CUSTOM DELUXE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1978 GMC K35 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • SubModel: HIGH SIERRA
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972-1973 CHEVROLET C10 PICKUP

    • CC: 5031
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1978-1980 GMC C1500 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • SubModel: SIERRA GRANDE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1988 CHEVROLET R30 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978 CHEVROLET K20 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • SubModel: CUSTOM DELUXE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1983-1986 GMC C2500 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1983-1984 GMC K1500 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1982 GMC K1500 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: SIERRA GRANDE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1986 CHEVROLET C10 PICKUP

    • CC: 5031
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: CUSTOM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1982 GMC JIMMY

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: STREET COUPE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1977 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • SubModel: SILVERADO
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1982 GMC JIMMY

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: SIERRA GRANDE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1977-1978 GMC C25 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973 CHEVROLET K20 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1977-1978 GMC K25 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: SIERRA CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1969 GMC K25/K2500 PICKUP

    • CC: 5736
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Exhaust Manifold Mounted Alternator; Use Bracket PN[10031FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978 CHEVROLET K5 BLAZER

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987 GMC V1500 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978 CHEVROLET K5 BLAZER

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • SubModel: CUSTOM DELUXE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1977 GMC C15 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978 CHEVROLET C20 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1979 CHEVROLET K20 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • SubModel: SCOTTSDALE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1968 CHEVROLET K20 PICKUP

    • CC: 5031
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Exhaust Manifold Mounted Alternator; Use Bracket PN[10031FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1980 CHEVROLET K10 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: N
    • SubModel: SCOTTSDALE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970 CHEVROLET BLAZER

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1979-1980 GMC K3500 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • SubModel: HIGH SIERRA
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973 GMC C15/C1500 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983-1984 CHEVROLET C20 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1986 GMC C3500 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1970-1972 CHEVROLET C10 PICKUP

    • CC: 5736
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982 GMC C1500 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: STREET COUPE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1980 CHEVROLET C20 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978 GMC C25 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 CHEVROLET C10 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1987 CHEVROLET V10 PICKUP

    • CC: 5031
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: CUSTOM DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1987-1988 CHEVROLET V20 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983-1984 CHEVROLET C10 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978 GMC C35/C3500 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 CHEVROLET K20 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: N
    • SubModel: CUSTOM DELUXE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1986 GMC C2500 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979 GMC K1500 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: SIERRA CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1969 CHEVROLET K20 SUBURBAN

    • CC: 5736
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Exhaust Manifold Mounted Alternator; Use Bracket PN[10031FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983-1984 GMC K1500 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1976-1980 CHEVROLET C10 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • SubModel: SILVERADO
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976-1980 CHEVROLET C20 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • SubModel: CUSTOM DELUXE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1978 GMC C15 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978 GMC K15 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1966 CHEVROLET K20 PICKUP

    • CC: 4638
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Exhaust Manifold Mounted Alternator; Use Bracket PN[10031FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1975-1979 GMC JIMMY

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • SubModel: SIERRA GRANDE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1978 GMC C25 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: SIERRA GRANDE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1977-1978 CHEVROLET K20 SUBURBAN

    • CC: 5031
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: CUSTOM DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1973 CHEVROLET K20 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978 GMC K25 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: SIERRA CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1968 GMC K25/K2500 SUBURBAN

    • CC: 5031
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Exhaust Manifold Mounted Alternator; Use Bracket PN[10031FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1987 CHEVROLET R10 SUBURBAN

    • CC: 5031
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1981 CHEVROLET K10 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1986 CHEVROLET K10 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987 GMC V1500 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1984 CHEVROLET C10 SUBURBAN

    • CC: 5031
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • Aspiration: N
    • SubModel: SCOTTSDALE
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 CHEVROLET K5 BLAZER

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985 CHEVROLET K20 PICKUP

    • CC: 5031
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1967 GMC C15/C1500 SUBURBAN

    • CC: 5358
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Exhaust Manifold Mounted Alternator; Use Bracket PN[10031FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1980 CHEVROLET C20 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1977-1981 CHEVROLET K30 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1982 CHEVROLET K20 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1967-1968 CHEVROLET K20 PICKUP

    • CC: 5358
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Exhaust Manifold Mounted Alternator; Use Bracket PN[10031FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1976 GMC C1500 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1987 GMC R1500 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1985-1986 GMC K1500 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982 GMC K1500 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983-1984 CHEVROLET K10 PICKUP

    • CC: 5031
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1974 CHEVROLET BLAZER

    • CC: 5737
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1982 GMC K3500 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987 GMC R2500 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: SIERRA CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1982-1986 GMC C1500 PICKUP

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982 CHEVROLET C20 SUBURBAN

    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979 CHEVROLET C10 SUBURBAN

    • CC: 5031
    • Fitment_Note: Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )
    31500 is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from installed flow tech ceramic coated headers ,,worked out great sounds really good opened up,thanks
    Date published: 2015-02-14
    • y_2018, m_6, d_20, h_5
    • bvseo_bulk, prod_bvrr, vn_bulk_2.0.8
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_10001_10001_188248, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs
    Items You Need
    Items You May Also Consider
    Some parts are not legal for use in California or other states with similar laws / regulations