{"product_id":"gasket-exhaust-header-68-79-cadillac-big-block-engines","title":"1968-1979 Cadillac Big Block Exhaust Header Gasket","description":"\u003cdiv class=\"product-container\"\u003e\n\u003ch6 class=\"product-title\"\u003e1968–1979 Cadillac Big Block Exhaust Header Gasket\u003c\/h6\u003e\n\u003cdiv class=\"product-intro\"\u003e\n\u003cp class=\"lead-text\"\u003e\u003cstrong\u003eGasket set engineered for big block header-to-manifold sealing on classic Cadillacs.\u003c\/strong\u003e Prevents exhaust leaks at the critical header flange interface. Built to withstand sustained heat cycling without degradation.\u003c\/p\u003e\n\u003cdiv class=\"trust-indicators\"\u003e\n\u003cspan class=\"badge\"\u003e✓ Ships from FL Warehouse\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ In-House Quality Check\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ Direct-from-Warehouse\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch6 class=\"section-title\"\u003eKey Features\u003c\/h6\u003e\n\u003cdiv class=\"design-features\"\u003e\u003cul class=\"feature-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader-flange specific fit\u003c\/strong\u003e - Seals the junction where headers bolt to the block without compromise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat-resistant construction\u003c\/strong\u003e - Handles big block exhaust temperatures without warping or leaking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete gasket set\u003c\/strong\u003e - All gaskets needed for the header installation in one box.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003ch6 class=\"section-title\"\u003eSpecs\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eGasket set for big block exhaust header application\u003c\/li\u003e\n\u003cli\u003eFits 1968–1979 Cadillac big block engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6 class=\"section-title\"\u003eWhat's Included\u003c\/h6\u003e\n\u003cul\u003e\u003cli\u003eComplete exhaust header gasket set\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003cdiv class=\"product-faq\"\u003e\n\u003ch6 class=\"section-title\"\u003eFrequently Asked Questions\u003c\/h6\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need any additional gaskets or seals beyond what's in this set?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is a complete header gasket set — it covers all the gaskets needed for header installation. If you're also replacing manifold gaskets or other exhaust components, those are separate items.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eShould I use any sealant or adhesive with these gaskets?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHeader gaskets are designed to seal under clamp pressure alone. Do not use gasket sealer or adhesive unless your service manual specifically calls for it — it can prevent proper seating and cause leaks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhat do I need to know about surface prep before installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBoth the header flange and block surface must be clean and flat. Wipe away carbon and old gasket material with a scraper, then clean with a solvent rag. A smooth, dry surface ensures a proper seal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"K2 Industries","offers":[{"title":"Default Title","offer_id":45873569628394,"sku":"K2-4511-CDL-006-TSARK","price":89.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0477\/0427\/7142\/files\/GKTSET-BBC-82L-1.jpg?v=1772739052","url":"https:\/\/www.k2-industries.com\/en-xk\/products\/gasket-exhaust-header-68-79-cadillac-big-block-engines","provider":"K2 Industries","version":"1.0","type":"link"}