{"product_id":"1985-1998-harley-davidson-big-twin-1200cc-sportster-standard-bore-head-gasket-fkm-rubber-mls-steel","title":"1985-1998 Harley Davidson Big Twin \u0026 1200cc Sportster Standard Bore Head Gasket - FKM Rubber MLS Steel","description":"\u003cp\u003eThis Multi-Layer Steel (MLS) head gasket is a high-performance sealing solution designed for both 1985-1998 Evolution Big Twin and 1200cc Sportster engines. Engineered with a high-strength stainless steel core and finished with a specialized FKM (Viton) rubber coating, this gasket is built to withstand the extreme thermal cycles and cylinder pressures inherent in air-cooled V-Twin engines. The stainless steel layers provide the necessary structural tension for a high-integrity seal, while the FKM coating ensures a precision micro-seal that is highly resistant to oil, heat, and combustion gases.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing a precision thickness of .030\", this direct-fit gasket allows for optimized quench and mechanical efficiency, making it an excellent choice for performance-oriented builds and standard top-end maintenance alike. It provides a robust, leak-proof barrier that ensures long-term reliability for classic Evolution and Sportster powertrains.\u003c\/p\u003e","brand":"Harley-Davidson","offers":[{"title":"Default Title","offer_id":53027659055328,"sku":"NFHGBTMLSSB030","price":15.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/8451\/9648\/files\/1_7e7827fa-5662-47e3-b109-39d6a6c0aaab.png?v=1781093183","url":"https:\/\/nightforgeparts.com\/products\/1985-1998-harley-davidson-big-twin-1200cc-sportster-standard-bore-head-gasket-fkm-rubber-mls-steel","provider":"Night Forge Parts","version":"1.0","type":"link"}