{"product_id":"cometic-gm-gen-ii-mark-iv-bb-4-630in-bore-040in-mls-396-402-427-454-head-gasket","title":"Cometic GM Gen II\/ Mark IV BB 4.630in Bore .040in MLS (396 \/ 402 \/ 427 \/ 454) Head Gasket","description":"\u003cdiv\u003e\n    \u003ch2\u003eCometic GM Gen II\/ Mark IV BB 4.630in Bore .040in MLS (396 \/ 402 \/ 427 \/ 454) Head Gasket\u003c\/h2\u003e\n    \u003cp\u003eElevate your engine's performance with the Cometic GM Gen II\/ Mark IV Big Block V8 MLS Head Gasket, expertly designed for high-output applications. This premium head gasket offers a combination of advanced engineering and durable materials, ensuring maximum sealing effectiveness for your engine.\u003c\/p\u003e\n    \n    \u003ch3\u003eKey Features:\u003c\/h3\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eAdvanced Material Composition:\u003c\/strong\u003e Constructed from multiple embossed layers of stainless steel for enhanced strength and durability.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eOptimal Thickness:\u003c\/strong\u003e Compressed operating thickness of just 0.040 inches allows for a tight and secure seal.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eViton Rubber Coating:\u003c\/strong\u003e Outer layers are coated with Viton, a heat-resistant material that withstands temperatures up to 250°C (482°F).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eVersatile Compatibility:\u003c\/strong\u003e Ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks, effectively managing the shearing forces between materials.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eNo Sealants Required:\u003c\/strong\u003e Designed for seamless installation without the need for additional sealants, simplifying the assembly process.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch3\u003eBenefits:\u003c\/h3\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSuperior Sealing Performance:\u003c\/strong\u003e Provides exceptional sealing for high-performance engines, ensuring reliable operation.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCorrosion Resistance:\u003c\/strong\u003e The multiple stainless steel layers resist corrosion, extending the gasket's lifespan even in harsh conditions.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCustomizable Thickness:\u003c\/strong\u003e The uncoated stainless steel shim layer allows for variations in thickness to meet your specific engine requirements.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003cp\u003eUpgrade your engine with the Cometic GM Gen II\/ Mark IV BB Head Gasket and experience unmatched reliability and performance. Perfect for enthusiasts looking to push their engines to the limit!\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Cometic Gasket","offers":[{"title":"Default Title","offer_id":51215966798112,"sku":"cgsC5331-040","price":98.94,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/8320\/2336\/files\/cometic-gm-gen-ii-mark-iv-bb-4-630in-bore-040in-mls-396-402-427-574.webp?v=1770559023","url":"https:\/\/www.rvautoparts.com\/products\/cometic-gm-gen-ii-mark-iv-bb-4-630in-bore-040in-mls-396-402-427-454-head-gasket","provider":"RV \u0026 Auto Parts","version":"1.0","type":"link"}