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Hedman 68318

Elite Ultra-Duty HTC Coated Full Length Headers 1978-87 G-Body 283-400

Hedman 68318

500-68318

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$424.99
$399.99
ON SALE - $25.00 OFF
Hedman 68318 Elite Ultra-Duty HTC Coated Full Length Headers 1978-87 G-Body 283-400 $399.99
Elite Ultra-Duty HTC Coated Full Length Headers
  • 1978-87 G-Body 283-400
  • Tube Size: 1-1/2"
  • Collector Size: 3"

  • Hedman 68318 Details

    GM Cars

    Applications:

  • 1978-87 Chevelle, Malibu, Monte Carlo, El Camino
  • 1978-87 Cutlass
  • 1978-87 Grand Prix
  • 1978-83 Skylark
  • 1978-87 Regal

    • Without Smog injection or injection heads
    • Modification to stock exhaust required to retain catalytic converter
    • Not legal for sale or use in California or pollution controlled motor vehicles
    • Must Modify rotary A/C bracket
    • Chevy Engine
    • Elite replacement gasket p/n 500-27520

  • Specifications:

    Tube Size
    1.625
    Collector Tube Size (in.)
    3
    Application
    Automotive
    Engine Make/Size
    Chevy Small Block (262-400)
    Tube Direction
    Down Swept
    Coating/Finish
    Metallic Ceramic
    Port Shape
    Rectangle
    Material
    Mild Steel
    Collector Diameter (in.)
    3
    Gaskets Included
    Yes
    Bolts/Studs Included
    Yes
    Catalytic Converter(s) Included
    No
    Collector Attachment
    Ball and socket flange
    Cross Over Pipe Included
    No
    Header Finish
    Thermal coated
    Header Material
    Steel
    Header Style
    Full-length
    Motor Mounts Included
    No
    Primary Tube Diameter (in.)
    1 1/2
    Primary Tube Gauge
    14-gauge
    Quantity
    Sold as a pair
    Reducers Included
    Yes
    Transmission Mount Included
    No
    Tuned
    No
    Weld-Up
    No
    Flange Style
    Standard
    Manufacturer's Part Number:
    68318

    Do It Once, Do It Right

    Hedman Elite Headers are the best you can buy. They have thicker flanges, stronger tubing, and thermal coating to withstand full-throttle thrashing and torturous towing. Their extreme-duty construction protects against burnout and exhaust leaks caused by the excessive heat and vibration of high-performance applications. Elite Headers outlast and outperform ordinary headers. All Hedman street headers are made in the USA with a 5-year coating warranty and lifetime product defect warranty.

    Note: Installing coated headers on an engine during the break-in period will cause discoloration. It is recommended that the factory manifolds or an old set of headers are used while breaking in an engine.

    Features
    • Hefty 3/8" flanges
    • Shorty or full-length design
    • Thick wall 14-gauge primary tubes
    • Built to withstand tough applications
    • HTC thermal coating with 5-year warranty
    • Lifetime warranty against manufacturing defects
    • Made in USA

    Does Hedman 68318 fit your vehicle?

    Narrow Results

    1979-1980 CHEVROLET MALIBU

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: CLASSIC SPORT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1980 PONTIAC GRAND LEMANS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: SAFARI
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979 CHEVROLET EL CAMINO

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: ROYAL KNIGHT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983 CHEVROLET MONTE CARLO

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: CL
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1980 CHEVROLET MALIBU

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: ESTATE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: LJ
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 CHEVROLET EL CAMINO

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • EngineType: ALL
    • SubModel: SS

    1987 OLDSMOBILE CUTLASS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • EngineType: ALL
    • SubModel: SALON

    1978-1979 PONTIAC LEMANS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: SAFARI
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980 CHEVROLET MALIBU

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: CLASSIC ESTATE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1981 CHEVROLET MALIBU

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 BUICK SKYLARK

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: SPORT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979 OLDSMOBILE CUTLASS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: VISTA CRUISER BROUGHAM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979 OLDSMOBILE CUTLASS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • Aspiration: N
    • SubModel: VISTA CRUISER
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1979 CHEVROLET MALIBU

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1980 CHEVROLET MALIBU

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: SJ
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1987 CHEVROLET EL CAMINO

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 PONTIAC LEMANS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: SAFARI
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 CHEVROLET EL CAMINO

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: CONQUISTA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978 CHEVROLET MALIBU

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 OLDSMOBILE CUTLASS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979 CHEVROLET MALIBU

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: CLASSIC ESTATE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 OLDSMOBILE CUTLASS CRUISER

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979 CHEVROLET MALIBU

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: CLASSIC SPORT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978 OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1984-1987 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: LE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1986-1987 CHEVROLET MONTE CARLO

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: LS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 OLDSMOBILE CUTLASS SALON

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • EngineType: ALL
    • SubModel: 442

    1978 CHEVROLET MALIBU

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: CLASSIC LANDAU
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1981 CHEVROLET EL CAMINO

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: ROYAL KNIGHT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: SJ
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 PONTIAC LEMANS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: SAFARI
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: LJ
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 OLDSMOBILE CUTLASS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: VISTA CRUISER
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 BUICK SKYLARK

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 CHEVROLET MALIBU

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: SPORT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1983 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: LJ
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 CHEVROLET EL CAMINO

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979 OLDSMOBILE CUTLASS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • Aspiration: N
    • SubModel: VISTA CRUISER
    • Engine Vin: R
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1984 CHEVROLET MONTE CARLO

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • EngineType: ALL
    • SubModel: SS

    1980 CHEVROLET MONTE CARLO

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: SPORT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979 CHEVROLET MALIBU

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: POLICE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1979 BUICK SKYLARK

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 OLDSMOBILE CUTLASS CRUISER

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1981 CHEVROLET MALIBU

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: CLASSIC LANDAU
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 OLDSMOBILE CUTLASS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: VISTA CRUISER
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1979 PONTIAC GRAND LEMANS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: SAFARI
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1980 OLDSMOBILE CUTLASS CALAIS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1980 OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1980 OLDSMOBILE CUTLASS SALON

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979 CHEVROLET MALIBU

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: POLICE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979 CHEVROLET MALIBU

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: LANDAU
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 CHEVROLET MONTE CARLO

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: SPORT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1983-1987 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 OLDSMOBILE CUTLASS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 PONTIAC LEMANS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979 OLDSMOBILE CUTLASS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • Aspiration: N
    • SubModel: VISTA CRUISER BROUGHAM
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979 CHEVROLET MALIBU

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: SPORT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1980 PONTIAC GRAND LEMANS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1980 BUICK REGAL

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Includes Parts Necessary To Retain Emission Devices (50 States)~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~With A.I.R System~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: LIMITED
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1981-1986 CHEVROLET EL CAMINO

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: CONQUISTA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 CHEVROLET MALIBU

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1986 OLDSMOBILE CUTLASS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • EngineType: ALL
    • SubModel: ALL

    1979 CHEVROLET MALIBU

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • Aspiration: N
    • SubModel: CLASSIC LANDAU
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980-1987 CHEVROLET EL CAMINO

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: SS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1983-1987 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1983 CHEVROLET MONTE CARLO

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: SS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 BUICK SKYLARK

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978 CHEVROLET MALIBU

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • EngineType: ALL
    • SubModel: CLASSIC ESTATE

    1979-1980 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1983-1987 BUICK REGAL

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 CHEVROLET MALIBU

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: SPORT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1979 OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1980 BUICK REGAL

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Includes Parts Necessary To Retain Emission Devices (50 States)~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~With A.I.R System~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1980 PONTIAC LEMANS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 OLDSMOBILE CUTLASS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: BROUGHAM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980 CHEVROLET MALIBU

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: ESTATE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979 CHEVROLET MALIBU

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: LANDAU
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979 CHEVROLET MONTE CARLO

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 BUICK SKYLARK

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: SPORT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1987 CHEVROLET MONTE CARLO

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1981 CHEVROLET MONTE CARLO

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: LANDAU
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1980 OLDSMOBILE CUTLASS SALON

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979 CHEVROLET MALIBU

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • Aspiration: N
    • SubModel: CLASSIC
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1981 CHEVROLET MALIBU

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 OLDSMOBILE CUTLASS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: LS
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1987 CHEVROLET MONTE CARLO

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: SS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980-1983 CHEVROLET MALIBU

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 CHEVROLET EL CAMINO

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: CONQUISTA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 BUICK SKYLARK

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: S
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 OLDSMOBILE CUTLASS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 OLDSMOBILE CUTLASS

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: LS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979 CHEVROLET MALIBU

    • CC: 5031
    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: SPORT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 BUICK SKYLARK

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: CUSTOM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )
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