{"product_id":"1965-1975-chevy-big-block-396-402-454-v8-exhaust-manifold-headers","title":"Exhaust Manifold Headers Fit for 1965-1975 Chevy Big Block 396 402 427 454 502 V8","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eExhaust manifold headers designed for compatible classic Chevrolet applications equipped with Big Block 396, 402, and 454 V8 engines. Featuring 1.65 in square primary tubes, a 2.85 in outlet, 7\/16 in head flanges, and 3\/8 in outlet flanges, this header setup is designed for the specified Chevrolet Big Block vehicle and engine configurations listed below.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eFit for 1965-1973 Chevrolet Chevelle with 396 6.5L \/ 402 6.6L \/ 454 7.4L Big Block V8 engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFit for 1969-1974 Chevrolet El Camino with 396 6.5L \/ 454 7.4L Big Block V8 engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFit for 1973-1975 Chevrolet Laguna with 454 7.4L Big Block V8 engine\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFit for 1971-1974 Chevrolet Caprice with 402 6.6L \/ 454 7.4L Big Block V8 engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFit for 1971-1972 Chevrolet Kingswood with 402 6.6L \/ 454 7.4L Big Block V8 engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFit for 1970-1972 Chevrolet Camaro with 396 6.5L \/ 402 6.6L Big Block V8 engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFit for 1973-1974 Chevrolet Malibu with 454 7.4L Big Block V8 engine\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFit for 1971-1974 Chevrolet Impala with 402 \/ 454 Big Block V8 engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFit for 1968-1975 Chevrolet Bel Air with 396 6.5L \/ 402 6.6L \/ 454 7.4L Big Block V8 engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFit for 1971-1972 Chevrolet Biscayne with 402 6.6L \/ 454 7.4L Big Block V8 engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFit for 1971-1972 Chevrolet Brookwood with 402 6.6L \/ 454 7.4L Big Block V8 engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFit for 1972 Chevrolet Townsman with 402 6.6L \/ 454 7.4L Big Block V8 engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eListed vehicle fitment is specifically based on compatible Chevrolet 396, 402, and 454 Big Block V8 applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePlease verify the exact vehicle year, model, engine displacement, cylinder-head configuration, drivetrain, and existing exhaust layout before purchasing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngine swaps, aftermarket cylinder heads, modified steering or suspension components, and non-original exhaust systems may affect installation compatibility\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Highlights\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eChevy Big Block Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Designed for the specified Chevrolet Big Block 396, 402, and 454 V8 engine applications\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e1.65 in Square Primary Tubes\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Features the specified 1.65 in square primary tube configuration\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e2.85 in Outlet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Uses a 2.85 in exhaust outlet dimension for the specified header setup\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e7\/16 in Head Flanges\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Features 7\/16 in thick head flanges for the specified cylinder-head mounting configuration\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e3\/8 in Outlet Flanges\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Uses 3\/8 in thick outlet flanges at the exhaust connection\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eClassic Chevrolet Applications\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Designed around compatible Chevelle, El Camino, Camaro, Impala, Bel Air, Caprice, Malibu, and other listed classic Chevrolet models\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eExhaust Manifold Replacement Layout\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Provides a tubular header configuration for compatible Chevrolet Big Block exhaust applications\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eProduct Type: Exhaust Manifold Headers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVehicle Make: Chevrolet \/ Chevy\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eManufacturer Family: General Motors \/ GM\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngine Family: Chevrolet Big Block V8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eListed Engine Compatibility: 396 \/ 402 \/ 454 V8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrimary Tube Size: 1.65 in Square\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOutlet Size: 2.85 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHead Flange Thickness: 7\/16 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOutlet Flange Thickness: 3\/8 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReference Model: EH28101\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003ePackage Includes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 × Set of Exhaust Headers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMounting Hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBolts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGaskets\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eInstallation Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePlease verify the exact vehicle year, model, engine displacement, and exhaust configuration before purchasing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eListed vehicle applications are based on compatible 396, 402, and 454 Chevrolet Big Block V8 engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConfirm cylinder-head mounting pattern, outlet dimensions, steering clearance, starter clearance, spark-plug access, and existing exhaust connections before installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVehicles with engine swaps, aftermarket cylinder heads, modified transmissions, steering components, or non-original exhaust systems may require additional fitment work\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeader compatibility should be confirmed against the original manifold and available engine-bay clearance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProfessional installation is recommended\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Peforway","offers":[{"title":"Default Title","offer_id":50987862491379,"sku":"MT001033","price":150.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6999\/3459\/files\/E6_9C_AA_E6_A0_87_E9_A2_98-1_1785481923769.png?v=1788767156","url":"https:\/\/peforway.com\/products\/1965-1975-chevy-big-block-396-402-454-v8-exhaust-manifold-headers","provider":"Peforway","version":"1.0","type":"link"}