{"product_id":"gasket-aluminum-exhaust-header-02-11-gmc-sierra-hd-yukon-xl-v8","title":"2002-2011 GMC Sierra\/Yukon XL V8 Aluminum Exhaust Header Gasket","description":"\u003cdiv class=\"product-container\"\u003e\n\u003ch6 class=\"product-title\"\u003e2002–2011 GMC Sierra\/Yukon XL V8 Aluminum Exhaust Header Gasket\u003c\/h6\u003e\n\u003cdiv class=\"product-intro\"\u003e\n\u003cp class=\"lead-text\"\u003e\u003cstrong\u003eAluminum construction gasket designed to seal V8 exhaust headers without warping or cracking.\u003c\/strong\u003e Built to handle thermal cycling and maintain a tight seal across multiple heat cycles. Resists degradation from sustained high temperatures better than composite alternatives.\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✓ Aluminum Construction\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ In-House Quality Check\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\u003eAluminum core\u003c\/strong\u003e - Won't warp under sustained header heat, keeping your seal solid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal stability\u003c\/strong\u003e - Handles repeated heat cycles without compression loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-spec thickness\u003c\/strong\u003e - Engineered to match factory gasket dimensions for proper fitment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003ch6 class=\"section-title\"\u003eSpecs\u003c\/h6\u003e\n\u003cul\u003e\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch6 class=\"section-title\"\u003eWhats Included\u003c\/h6\u003e\n\u003cul\u003e\u003cli\u003eExhaust header gasket (one piece)\u003c\/li\u003e\u003c\/ul\u003e\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 to clean the header and manifold surfaces before installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Scrape off old gasket material and any carbon buildup, then wipe both surfaces clean with a degreaser. A smooth, clean surface ensures the aluminum gasket seats properly and holds pressure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWill this gasket work with my existing header bolts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGasket thickness is engineered to OEM spec, so your factory header bolts should work. If you're reusing old bolts, inspect them for damage or corrosion first — replace any that show wear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use gasket sealer or sealant on this?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe aluminum core is designed to seal without additional products. Adding sealant can actually create compression issues. Install dry and torque to manufacturer spec for best results.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"K2 Industries","offers":[{"title":"Default Title","offer_id":45873560355050,"sku":"K2-4444-GMC-006-TSARK","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0477\/0427\/7142\/files\/GKT-A-HD-GY99.jpg?v=1772738849","url":"https:\/\/www.k2-industries.com\/en-hk\/products\/gasket-aluminum-exhaust-header-02-11-gmc-sierra-hd-yukon-xl-v8","provider":"K2 Industries","version":"1.0","type":"link"}