Mid-Length Headers for 67-88 GM F G/A Body 265-400 SBC 1-3/4in Primary D337

Overview:67-88 F/G/A Body SBC Mid Length Slvr Ctd Mid-Length Headers, often called Clipsters, are engineered to provide superior performance gains over Manifold Replacements or Block Hugger style headers. These headers enhance your vehicles's horsepower and torque while preserving ground clearance for cars with a lowered stance and trucks where long tube headers may hang to low.Features: 3/8" Thick machined flanges to prevent warping CNC mandrel bent tubes for ensuring accurate fit and optimal flow Heavy duty 16-gauge tubing for long life Tubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating Specs: Brand: Doug's Headers Collector Attachment: 3-Bolt Flange Collector Diameter: 3.0 IN Collector Port Diameter: 3.0 IN Color: Silver Cylinder Head Port Shape: Oval Design: Mid Length EGT Port: No Finish: Metallic Ceramic Coated Flange Thickness: 0.375 IN Gasket Or Seal Included: Yes Gaskets Included: Yes Grade Type: Performance Header Material: Steel Header Style: Mid Length Material: Steel Mounting Hardware Included: Yes Oxygen Sensor Port: No Port Shape: Oval Primary Tube Outside Diameter: 1.75 IN Primary Tubing Diameter: 1.75 IN Prop 65 (C, R or CR): CR Prop 65 Yes/No: Yes Sheen Level: Semi-Gloss Title: Doug's Mid Length Header 67-88 GM F, G, & A Body 265-400 SBC 1 3/4" Primary 3" Collector Silver Ceramic Coated D337 Tube Wall Thickness: 16 GU Part Number: D337 Applications: 1977-1979 Buick Century 350 CID 1977-1981 Buick Century 305 CID 1978-1978 Buick LeSabre 305 CID 1977-1987 Buick Regal 305 CID 1977-1977 Buick Regal 350 CID 1991-1991 Buick Roadmaster 305 CID 1992-1996 Buick Roadmaster 350 CID 1977-1979 Buick Skylark 350 CID 1969-1972 Chevrolet Biscayne 350 CID 1971-1972 Chevrolet Biscayne 400 CID 1971-1972 Chevrolet Brookwood 400 CID 1971-1972 Chevrolet Brookwood 350 CID 1968-1968 Chevrolet Chevy II 350 CID 1968-1968 Chevrolet Chevy II 307 CID 1968-1968 Chevrolet Chevy II 327 CID 1971-1972 Chevrolet Kingswood 350 CID 1971-1972 Chevrolet Kingswood 400 CID 1964-1973 Chevrolet Chevelle 327 CID 1964-1967 Chevrolet Chevelle 283 CID 1968-1973 Chevrolet Chevelle 307 CID 1968-1973 Chevrolet Chevelle 350 CID 1971-1975 Chevrolet Bel Air 400 CID 1971-1975 Chevrolet Bel Air 350 CID 1981-1981 Chevrolet Bel Air 305 CID 1967-1969 Chevrolet Camaro 327 CID 1967-1967 Chevrolet Camaro 302 CID 1969-1973 Chevrolet Camaro 307 CID 1972-1981 Chevrolet Camaro 350 CID 1976-1981 Chevrolet Camaro 305 CID 1980-1981 Chevrolet Camaro 267 CID 1971-1996 Chevrolet Caprice 350 CID 1971-1976 Chevrolet Caprice 400 CID 1977-1993 Chevrolet Caprice 305 CID 1980-1982 Chevrolet Caprice 267 CID 1964-1967 Chevrolet El Camino 283 CID 1964-1979 Chevrolet El Camino 327 CID 1968-1979 Chevrolet El Camino 350 CID 1968-1973 Chevrolet El Camino 307 CID 1970-1976 Chevrolet El Camino 400 CID 1976-1987 Chevrolet El Camino 305 CID 1979-1982 Chevrolet El Camino 267 CID 1971-1996 Chevrolet Impala 350 CID 1971-1976 Chevrolet Impala 400 CID 1977-1985 Chevrolet Impala 305 CID 1964-1967 Chevrolet Malibu 327 CID 1973-1983 Chevrolet Malibu 350 CID 1973-1976 Chevrolet Malibu 400 CID 1976-1983 Chevrolet Malibu 305 CID 1979-1982 Chevrolet Malibu 267 CID 1970-1976 Chevrolet Monte Carlo 400 CID 1976-1987 Chevrolet Monte Carlo 305 CID 1979-1982 Chevrolet Monte Carlo 267 CID 1981-1984 Chevrolet Monte Carlo 350 CID 1969-1979 Chevrolet Nova 350 CID 1969-1973 Chevrolet Nova 307 CID 1975-1975 Chevrolet Nova 262 CID 1976-1979 Chevrolet Nova 305 CID 1978-1984 Oldsmobile Cutlass Calais 305 CID 1975-1975 Oldsmobile Custom Cruiser 400 CID 1977-1977 Oldsmobile Custom Cruiser 350 CID 1991-1992 Oldsmobile Custom Cruiser 305 CID 1978-1987 Oldsmobile Cutlass 305 CID 1978-1979 Oldsmobile Cutlass 350 CID 1978-1980 Oldsmobile Cutlass Salon 305 CID 1980-1983 Oldsmobile Cutlass Cruiser 305 CID 1978-1987 Oldsmobile Cutlass Supreme 305 CID 1978-1978 Oldsmobile Cutlass Supreme 350 CID 1975-1975 Oldsmobile Delta 88 400 CID 1977-1977 Oldsmobile Delta 88 350 CID 1975-1975 Pontiac Bonneville 400 CID 1983-1986 Pontiac Bonneville 305 CID 1975-1975 Pontiac Catalina 400 CID 1980-1981 Pontiac Catalina 305 CID 1977-1981 Pontiac Firebird 305 CID 1978-1979 Pontiac Firebird 350 CID 1975-1975 Pontiac Grand Am 400 CID 1978-1980 Pontiac Grand Am 305 CID 1975-1976 Pontiac Grand Prix 400 CID 1978-1987 Pontiac Grand Prix 305 CID 1975-1975 Pontiac LeMans 400 CID 1976-1981 Pontiac LeMans 305 CID 1978-1979 Pontiac LeMans 350 CID Emissions: This Product is LEGAL for Closed Course Competition use or Pre-Emissions Controlled Vehicles ONLY. It is Not Legal for use on any Emissions Controlled Vehicle for Street or Off Highway use. Instructions:Click here for installation instructions!Fitment Notes: Fits most angle plug heads. Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 and ZZ6 engines. Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket. Will fit with Saginaw Power Steering box, Borgeson, and aftermarket equivalents . Does not fit 67-69 Camaro with A/C.