{"product_id":"mid-length-headers-for-67-88-gm-f-g-a-body-265-400-sbc-1-3-4in-primary-d337","title":"Mid-Length Headers for 67-88 GM F G\/A Body 265-400 SBC 1-3\/4in Primary D337","description":"\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e67-88 F\/G\/A Body SBC Mid Length Slvr Ctd \u003c\/p\u003e\u003cp\u003eMid-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.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e3\/8\" Thick machined flanges to prevent warping\u003c\/li\u003e\n\u003cli\u003eCNC mandrel bent tubes for ensuring accurate fit and optimal flow\u003c\/li\u003e\n\u003cli\u003eHeavy duty 16-gauge tubing for long life\u003c\/li\u003e\n\u003cli\u003eTubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand: \u003c\/strong\u003eDoug's Headers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector Attachment: \u003c\/strong\u003e3-Bolt Flange\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector Diameter: \u003c\/strong\u003e3.0 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector Port Diameter: \u003c\/strong\u003e3.0 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor: \u003c\/strong\u003eSilver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Head Port Shape: \u003c\/strong\u003eOval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign: \u003c\/strong\u003eMid Length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEGT Port: \u003c\/strong\u003eNo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish: \u003c\/strong\u003eMetallic Ceramic Coated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlange Thickness: \u003c\/strong\u003e0.375 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket Or Seal Included: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGaskets Included: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade Type: \u003c\/strong\u003ePerformance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader Material: \u003c\/strong\u003eSteel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader Style: \u003c\/strong\u003eMid Length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial: \u003c\/strong\u003eSteel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Hardware Included: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOxygen Sensor Port: \u003c\/strong\u003eNo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort Shape: \u003c\/strong\u003eOval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Tube Outside Diameter: \u003c\/strong\u003e1.75 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Tubing Diameter: \u003c\/strong\u003e1.75 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProp 65 (C, R or CR): \u003c\/strong\u003eCR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProp 65 Yes\/No: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen Level: \u003c\/strong\u003eSemi-Gloss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitle: \u003c\/strong\u003eDoug's Mid Length Header 67-88 GM F, G, \u0026amp; A Body 265-400 SBC 1 3\/4\" Primary 3\" Collector Silver Ceramic Coated D337\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube Wall Thickness: \u003c\/strong\u003e16 GU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number: \u003c\/strong\u003eD337\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1977-1979 Buick Century 350 CID\u003c\/li\u003e\n\u003cli\u003e1977-1981 Buick Century 305 CID\u003c\/li\u003e\n\u003cli\u003e1978-1978 Buick LeSabre 305 CID\u003c\/li\u003e\n\u003cli\u003e1977-1987 Buick Regal 305 CID\u003c\/li\u003e\n\u003cli\u003e1977-1977 Buick Regal 350 CID\u003c\/li\u003e\n\u003cli\u003e1991-1991 Buick Roadmaster 305 CID\u003c\/li\u003e\n\u003cli\u003e1992-1996 Buick Roadmaster 350 CID\u003c\/li\u003e\n\u003cli\u003e1977-1979 Buick Skylark 350 CID\u003c\/li\u003e\n\u003cli\u003e1969-1972 Chevrolet Biscayne 350 CID\u003c\/li\u003e\n\u003cli\u003e1971-1972 Chevrolet Biscayne 400 CID\u003c\/li\u003e\n\u003cli\u003e1971-1972 Chevrolet Brookwood 400 CID\u003c\/li\u003e\n\u003cli\u003e1971-1972 Chevrolet Brookwood 350 CID\u003c\/li\u003e\n\u003cli\u003e1968-1968 Chevrolet Chevy II 350 CID\u003c\/li\u003e\n\u003cli\u003e1968-1968 Chevrolet Chevy II 307 CID\u003c\/li\u003e\n\u003cli\u003e1968-1968 Chevrolet Chevy II 327 CID\u003c\/li\u003e\n\u003cli\u003e1971-1972 Chevrolet Kingswood 350 CID\u003c\/li\u003e\n\u003cli\u003e1971-1972 Chevrolet Kingswood 400 CID\u003c\/li\u003e\n\u003cli\u003e1964-1973 Chevrolet Chevelle 327 CID\u003c\/li\u003e\n\u003cli\u003e1964-1967 Chevrolet Chevelle 283 CID\u003c\/li\u003e\n\u003cli\u003e1968-1973 Chevrolet Chevelle 307 CID\u003c\/li\u003e\n\u003cli\u003e1968-1973 Chevrolet Chevelle 350 CID\u003c\/li\u003e\n\u003cli\u003e1971-1975 Chevrolet Bel Air 400 CID\u003c\/li\u003e\n\u003cli\u003e1971-1975 Chevrolet Bel Air 350 CID\u003c\/li\u003e\n\u003cli\u003e1981-1981 Chevrolet Bel Air 305 CID\u003c\/li\u003e\n\u003cli\u003e1967-1969 Chevrolet Camaro 327 CID\u003c\/li\u003e\n\u003cli\u003e1967-1967 Chevrolet Camaro 302 CID\u003c\/li\u003e\n\u003cli\u003e1969-1973 Chevrolet Camaro 307 CID\u003c\/li\u003e\n\u003cli\u003e1972-1981 Chevrolet Camaro 350 CID\u003c\/li\u003e\n\u003cli\u003e1976-1981 Chevrolet Camaro 305 CID\u003c\/li\u003e\n\u003cli\u003e1980-1981 Chevrolet Camaro 267 CID\u003c\/li\u003e\n\u003cli\u003e1971-1996 Chevrolet Caprice 350 CID\u003c\/li\u003e\n\u003cli\u003e1971-1976 Chevrolet Caprice 400 CID\u003c\/li\u003e\n\u003cli\u003e1977-1993 Chevrolet Caprice 305 CID\u003c\/li\u003e\n\u003cli\u003e1980-1982 Chevrolet Caprice 267 CID\u003c\/li\u003e\n\u003cli\u003e1964-1967 Chevrolet El Camino 283 CID\u003c\/li\u003e\n\u003cli\u003e1964-1979 Chevrolet El Camino 327 CID\u003c\/li\u003e\n\u003cli\u003e1968-1979 Chevrolet El Camino 350 CID\u003c\/li\u003e\n\u003cli\u003e1968-1973 Chevrolet El Camino 307 CID\u003c\/li\u003e\n\u003cli\u003e1970-1976 Chevrolet El Camino 400 CID\u003c\/li\u003e\n\u003cli\u003e1976-1987 Chevrolet El Camino 305 CID\u003c\/li\u003e\n\u003cli\u003e1979-1982 Chevrolet El Camino 267 CID\u003c\/li\u003e\n\u003cli\u003e1971-1996 Chevrolet Impala 350 CID\u003c\/li\u003e\n\u003cli\u003e1971-1976 Chevrolet Impala 400 CID\u003c\/li\u003e\n\u003cli\u003e1977-1985 Chevrolet Impala 305 CID\u003c\/li\u003e\n\u003cli\u003e1964-1967 Chevrolet Malibu 327 CID\u003c\/li\u003e\n\u003cli\u003e1973-1983 Chevrolet Malibu 350 CID\u003c\/li\u003e\n\u003cli\u003e1973-1976 Chevrolet Malibu 400 CID\u003c\/li\u003e\n\u003cli\u003e1976-1983 Chevrolet Malibu 305 CID\u003c\/li\u003e\n\u003cli\u003e1979-1982 Chevrolet Malibu 267 CID\u003c\/li\u003e\n\u003cli\u003e1970-1976 Chevrolet Monte Carlo 400 CID\u003c\/li\u003e\n\u003cli\u003e1976-1987 Chevrolet Monte Carlo 305 CID\u003c\/li\u003e\n\u003cli\u003e1979-1982 Chevrolet Monte Carlo 267 CID\u003c\/li\u003e\n\u003cli\u003e1981-1984 Chevrolet Monte Carlo 350 CID\u003c\/li\u003e\n\u003cli\u003e1969-1979 Chevrolet Nova 350 CID\u003c\/li\u003e\n\u003cli\u003e1969-1973 Chevrolet Nova 307 CID\u003c\/li\u003e\n\u003cli\u003e1975-1975 Chevrolet Nova 262 CID\u003c\/li\u003e\n\u003cli\u003e1976-1979 Chevrolet Nova 305 CID\u003c\/li\u003e\n\u003cli\u003e1978-1984 Oldsmobile Cutlass Calais 305 CID\u003c\/li\u003e\n\u003cli\u003e1975-1975 Oldsmobile Custom Cruiser 400 CID\u003c\/li\u003e\n\u003cli\u003e1977-1977 Oldsmobile Custom Cruiser 350 CID\u003c\/li\u003e\n\u003cli\u003e1991-1992 Oldsmobile Custom Cruiser 305 CID\u003c\/li\u003e\n\u003cli\u003e1978-1987 Oldsmobile Cutlass 305 CID\u003c\/li\u003e\n\u003cli\u003e1978-1979 Oldsmobile Cutlass 350 CID\u003c\/li\u003e\n\u003cli\u003e1978-1980 Oldsmobile Cutlass Salon 305 CID\u003c\/li\u003e\n\u003cli\u003e1980-1983 Oldsmobile Cutlass Cruiser 305 CID\u003c\/li\u003e\n\u003cli\u003e1978-1987 Oldsmobile Cutlass Supreme 305 CID\u003c\/li\u003e\n\u003cli\u003e1978-1978 Oldsmobile Cutlass Supreme 350 CID\u003c\/li\u003e\n\u003cli\u003e1975-1975 Oldsmobile Delta 88 400 CID\u003c\/li\u003e\n\u003cli\u003e1977-1977 Oldsmobile Delta 88 350 CID\u003c\/li\u003e\n\u003cli\u003e1975-1975 Pontiac Bonneville 400 CID\u003c\/li\u003e\n\u003cli\u003e1983-1986 Pontiac Bonneville 305 CID\u003c\/li\u003e\n\u003cli\u003e1975-1975 Pontiac Catalina 400 CID\u003c\/li\u003e\n\u003cli\u003e1980-1981 Pontiac Catalina 305 CID\u003c\/li\u003e\n\u003cli\u003e1977-1981 Pontiac Firebird 305 CID\u003c\/li\u003e\n\u003cli\u003e1978-1979 Pontiac Firebird 350 CID\u003c\/li\u003e\n\u003cli\u003e1975-1975 Pontiac Grand Am 400 CID\u003c\/li\u003e\n\u003cli\u003e1978-1980 Pontiac Grand Am 305 CID\u003c\/li\u003e\n\u003cli\u003e1975-1976 Pontiac Grand Prix 400 CID\u003c\/li\u003e\n\u003cli\u003e1978-1987 Pontiac Grand Prix 305 CID\u003c\/li\u003e\n\u003cli\u003e1975-1975 Pontiac LeMans 400 CID\u003c\/li\u003e\n\u003cli\u003e1976-1981 Pontiac LeMans 305 CID\u003c\/li\u003e\n\u003cli\u003e1978-1979 Pontiac LeMans 350 CID\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eEmissions:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eThis 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.\u003c\/li\u003e \u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstructions:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/prod-da.s3.us-east-2.amazonaws.com\/BHKJ\/869498f3319a5e7749bf7abda32cc9f8.pdf\" target=\"_blank\"\u003eClick here for installation instructions!\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment Notes: \u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits most angle plug heads.\u003c\/li\u003e\n\u003cli\u003eFits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 and ZZ6 engines.\u003c\/li\u003e\n\u003cli\u003eInstallation requires left side A\/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.\u003c\/li\u003e\n\u003cli\u003eWill fit with Saginaw Power Steering box, Borgeson, and aftermarket equivalents .\u003c\/li\u003e\n\u003cli\u003eDoes not fit 67-69 Camaro with A\/C.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Doug's Headers","offers":[{"title":"Default Title","offer_id":54508700041429,"sku":"D337-BKLK","price":972.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2493\/0960\/files\/824e84d0e405e731e656cafbacaa2a34.jpg?v=1786705454","url":"https:\/\/moderndaymuffler.com\/products\/mid-length-headers-for-67-88-gm-f-g-a-body-265-400-sbc-1-3-4in-primary-d337","provider":"Modern Day Muffler","version":"1.0","type":"link"}