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Hedman 66311

Standard Duty HTC Coated Full-Length Headers 1978-87 GM G-Body 283-400

500-66311

made in usa
Hedman 66311 Standard Duty HTC Coated Full-Length Headers 1978-87 GM G-Body 283-400 $639.99
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Estimated ship date 03/07/18 if Ordered Today
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JEGS Performance Products Metallic Ceramic Coated Long Tube Headers 1964-1989 Small Block Chevy Passenger Car (265-400 c.i.)
JEGS Performance Products 555-300100
$289.79
View Details
Standard Duty HTC Coated Full-Length Headers
  • 1978-87 GM G-Body 283-400
  • 1-1/2" Tube, 3" Collector

  • Hedman 66311 Details

    GM Cars

  • Without smog injection or injection heads
  • With A.I.R. system
  • Modification to stock exhaust required to retain catalytic converter
  • Not legal for sale or use in California or pollution-controlled vehicles
  • Must modify rotary A/C bracket

    Applications
  • 1978-83 Chevy Malibu and Buick Skylark 283-400
  • 1978-87 Chevy Monte Carlo/El Camino and Oldsmobile Cutlass 283-400
  • 1978-87 Pontiac Grand Prix 305-350
  • 1978-87 Buick Regal 283-350

  • Specifications:

    Tube Diameter
    1.5
    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
    Steel
    Gaskets Included
    Yes
    Collector Diameter (in.)
    3
    Bolts/Studs Included
    Yes
    CARB EO Number
    D-167-26 (pdf)
    Catalytic Converter(s) Included
    No
    Collector Attachment
    Ball and socket flange
    Cross Over Pipe Included
    No
    Header Finish
    Silver ceramic coated
    Header Material
    Steel
    Header Style
    Full-length
    Motor Mounts Included
    No
    Primary Tube Diameter (in.)
    1 1/2
    Primary Tube Gauge
    18-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:
    66311

    Hedman's HTC Hi-Tech Coated Headers come pre-coated from the factory with a protective ceramic-metallic finish. This coating provides a durable, shiny finish that helps lower under hood temperatures. Hedman Hedders pioneered the automotive application of ceramic-metallic coatings in the early 1980s. Previously exclusive to the aerospace industry, Hedman Hedders recognized the coating's potential to improve both the lifespan and functionality of exhaust headers while adding performance, flow and protection. Made in the USA.

    Features:
  • Coating offers protection up to 1400°.
  • Won't chip, peel, or "blue" like chrome.
  • Superior heat insulation.
  • Increased exhaust velocity for more power.

    NOTE: Installing coated headers on an engine during the break-in period will cause discoloration. The use of factory manifolds or an old set of headers is recommended while breaking in an engine.

    JEGS Easy Kits are designed by JEGS Professionals to help you get all the performance parts you need.

  • Does Hedman 66311 fit your vehicle?

    Narrow Results

    1985-1987 CHEVROLET MONTE CARLO

    • 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]~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: SS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1980 CHEVROLET EL CAMINO

    • CC: 5031
    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1980 CHEVROLET MALIBU

    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.7
    • SubModel: ESTATE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1981 CHEVROLET MONTE CARLO

    • CC: 5031
    • 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]~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 BUICK REGAL

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads
    • Liter: 5.0
    • SubModel: LIMITED
    • 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~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: SS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1987 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Must Modify Rotary A/C Bracket
    • Liter: 5.0
    • SubModel: LE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979 CHEVROLET EL CAMINO

    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.7
    • SubModel: ROYAL KNIGHT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1987 CHEVROLET EL CAMINO

    • CC: 5031
    • 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~A/C Equipped May Require Bracket PN[20110] - Large Piston Compressor
    • 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~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980 CHEVROLET MALIBU

    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979 CHEVROLET MALIBU

    • CC: 5031
    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • 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~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1986 CHEVROLET EL CAMINO

    • CC: 5031
    • 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~A/C Equipped May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: CONQUISTA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1987 CHEVROLET EL CAMINO

    • CC: 5031
    • Liter: 5.0
    • SubModel: SS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1984-1986 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads
    • Liter: 5.0
    • SubModel: LE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 CHEVROLET MONTE CARLO

    • CC: 5031
    • 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]~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~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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.7
    • SubModel: SPORT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    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]~A/C Equipped May Require Bracket PN[20110] - Large Piston Compressor
    • 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~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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.7
    • Aspiration: N
    • SubModel: CLASSIC
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 CHEVROLET MALIBU

    • 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~A/C Equipped May Require Bracket PN[20110] - Large Piston Compressor
    • EngineType: ALL
    • SubModel: ALL

    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~A/C Equipped May Require Bracket PN[20110] - Large Piston Compressor
    • EngineType: ALL
    • SubModel: SALON

    1981 CHEVROLET MALIBU

    • CC: 5031
    • 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~A/C Equipped May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1987 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Must Modify Rotary A/C Bracket
    • 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~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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.7
    • SubModel: POLICE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1986-1987 CHEVROLET MONTE CARLO

    • CC: 5031
    • 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]~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: LS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads
    • Liter: 5.0
    • SubModel: LJ
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 BUICK SKYLARK

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]
    • Liter: 5.7
    • SubModel: SPORT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979 CHEVROLET MALIBU

    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.7
    • SubModel: CLASSIC SPORT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979 CHEVROLET MALIBU

    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.7
    • SubModel: CLASSIC ESTATE
    • 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~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: CL
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 CHEVROLET MALIBU

    • CC: 5031
    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: SPORT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979 CHEVROLET MALIBU

    • CC: 5031
    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: POLICE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 CHEVROLET EL CAMINO

    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.7
    • SubModel: CONQUISTA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978 PONTIAC GRAND PRIX

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

    1981-1983 CHEVROLET MALIBU

    • CC: 5031
    • 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~A/C Equipped May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 CHEVROLET EL CAMINO

    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads
    • Liter: 5.0
    • SubModel: SJ
    • 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~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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: CLASSIC ESTATE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 CHEVROLET MALIBU

    • CC: 5031
    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1980 BUICK REGAL

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1983-1986 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1983-1986 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads
    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1981 CHEVROLET MALIBU

    • CC: 5031
    • 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~A/C Equipped May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: CLASSIC LANDAU
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 CHEVROLET EL CAMINO

    • CC: 5031
    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: SS
    • 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~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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: CONQUISTA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1981 CHEVROLET EL CAMINO

    • CC: 5031
    • 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~A/C Equipped May Require Bracket PN[20110] - Large Piston Compressor
    • 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~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads
    • Liter: 5.0
    • SubModel: LJ
    • 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~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 May Require Bracket PN[20110] - Large Piston Compressor
    • 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~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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.7
    • SubModel: LANDAU
    • 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~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: VISTA CRUISER BROUGHAM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 CHEVROLET MALIBU

    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.7
    • SubModel: CLASSIC LANDAU
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    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]~A/C Equipped May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: S
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 CHEVROLET MALIBU

    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979 CHEVROLET MALIBU

    • CC: 5031
    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: LANDAU
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 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~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: VISTA CRUISER
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 CHEVROLET MALIBU

    • CC: 5031
    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1984 CHEVROLET MONTE CARLO

    • 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]~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • EngineType: ALL
    • SubModel: SS

    1981 CHEVROLET MALIBU

    • 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~A/C Equipped May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    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]~A/C Equipped May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1980 CHEVROLET EL CAMINO

    • CC: 5031
    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: ROYAL KNIGHT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 CHEVROLET EL CAMINO

    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • EngineType: ALL
    • SubModel: SS

    1978 CHEVROLET MALIBU

    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.7
    • SubModel: CLASSIC
    • 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~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: BASE
    • 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~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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: ESTATE
    • 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~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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: CLASSIC 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~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: SPORT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1987 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Must Modify Rotary A/C Bracket
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads
    • Liter: 5.0
    • SubModel: SJ
    • 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~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: LS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1981-1987 CHEVROLET MONTE CARLO

    • CC: 5031
    • 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]~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 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads
    • Liter: 5.0
    • SubModel: LJ
    • 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~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads~A/C Equipped May Require Bracket PN[20110] - Large Piston Compressor
    • 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~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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.7
    • Aspiration: N
    • SubModel: CLASSIC LANDAU
    • Engine Vin: L
    • 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~On Some Models It May Be Necessary To Remove Z Bars~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]~A/C Equipped Vehicles Require Large Piston Compressor Bracket PN[20110]
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 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]~A/C Equipped May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: CUSTOM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1981-1987 CHEVROLET EL CAMINO

    • CC: 5031
    • 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~A/C Equipped May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 CHEVROLET MALIBU

    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • EngineType: ALL
    • SubModel: CLASSIC ESTATE

    1979-1980 CHEVROLET MALIBU

    • CC: 5031
    • 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 May Require Bracket PN[20110] - Large Piston Compressor
    • Liter: 5.0
    • SubModel: CLASSIC SPORT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1980 PONTIAC GRAND PRIX

    • Fitment_Note: Modification To Stock Exhaust Required To Retain Catalytic Converter~Must Modify Rotary A/C Bracket~Elite Replacement Gasket PN[27520]~Without Smog Injection Or Injection Heads
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )
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