{"product_id":"90-97-nissan-d21-pickup-exhaust-header-gasket","title":"90-97 Nissan D21 Pickup Exhaust Header Gasket","description":"\u003cdiv class=\"product-container\"\u003e\n\u003ch6 class=\"product-title\"\u003e90-97 Nissan D21 Pickup Exhaust Header Gasket\u003c\/h6\u003e\n\u003cdiv class=\"product-intro\"\u003e\n\u003cp class=\"lead-text\"\u003e\u003cstrong\u003eReplacement exhaust header gasket engineered for D21 pickups, sealing the critical junction between manifold and cylinder head.\u003c\/strong\u003e Designed to handle thermal cycling and exhaust pressure without degradation. Direct fit for factory header applications.\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✓ Factory Mounting Points\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\u003eHeat-resistant composition\u003c\/strong\u003e - Withstands exhaust temperatures without warping or losing seal integrity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-formed gasket\u003c\/strong\u003e - Sits directly on factory bolt locations with no custom cutting needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle gasket pack\u003c\/strong\u003e - One gasket per order; order quantity matches your header bolt count if replacing both sides\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003ch6 class=\"section-title\"\u003eSpecs\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eHard panel construction\u003c\/li\u003e\n\u003cli\u003eSingle gasket\u003c\/li\u003e\n\u003cli\u003eFactory mounting points\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6 class=\"section-title\"\u003eWhats Included\u003c\/h6\u003e\n\u003cul\u003e\u003cli\u003eExhaust header gasket (qty: 1)\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 new hardware to install this gasket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe gasket uses factory bolt holes — your existing header bolts will work. If bolts are stripped or corroded, replacement hardware from any fastener supplier will fit the same mounting pattern.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eCan I reuse the old gasket or does it need replacement?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOnce removed, exhaust gaskets lose their compression and won't reseal reliably. Install fresh; old gaskets cause exhaust leaks and can lead to power loss and rough idle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhat prep work is needed before installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eClean both mounting surfaces (manifold and head) with a wire brush or gasket scraper to remove carbon and old gasket material. Surface contact matters — any debris will compromise the 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":54605073547569,"sku":"K2-4588-NIS-006-TSARK","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0813\/5727\/5441\/files\/GKTSET-ND2190-L4-LT-1.jpg?v=1781492748","url":"https:\/\/acmtechnik.com\/products\/90-97-nissan-d21-pickup-exhaust-header-gasket","provider":"ACM Technik LLC","version":"1.0","type":"link"}