{"product_id":"1985-1998-harley-davidson-big-twin-big-bore-head-gasket-030-fkm-rubber-mls-steel","title":"1985-1998 Harley Davidson Big Twin Big Bore Head Gasket .030\" - FKM Rubber MLS Steel","description":"\u003cp\u003eThis Multi-Layer Steel (MLS) head gasket is a high-performance sealing solution specifically engineered for Big Bore applications of the 1985-1998 Evolution Big Twin engine. Constructed from premium stainless steel and finished with a specialized FKM (Viton) rubber coating, this gasket is built to manage the increased cylinder pressures and thermal loads associated with oversized bore modifications. The stainless steel layers provide critical structural tension and durability, 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\u003eWith a precision thickness of .030\", this direct-fit gasket is an ideal choice for builders looking to optimize quench and maximize mechanical efficiency in high-displacement Evolution engines. It provides a robust, leak-proof barrier, ensuring long-term reliability and peak performance for custom Big Bore setups on classic Softail, Touring, and Dyna models.\u003c\/p\u003e","brand":"Harley-Davidson","offers":[{"title":"Default Title","offer_id":53028100866272,"sku":"NFHGBTMLSBB030","price":15.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/8451\/9648\/files\/BigTwin_1200ccSportsterHeadGasket_HGBTMLSSB030.png?v=1781094642","url":"https:\/\/nightforgeparts.com\/products\/1985-1998-harley-davidson-big-twin-big-bore-head-gasket-030-fkm-rubber-mls-steel","provider":"Night Forge Parts","version":"1.0","type":"link"}