{"product_id":"cometic-gm-gen-ii-mark-iv-big-block-396-402-427-4-630in-bore-070in-mls-5-head-gasket","title":"Cometic GM Gen II \/ Mark IV Big Block (396 \/ 402 \/ 427) 4.630in Bore .070in MLS-5 Head Gasket","description":"\u003cdiv\u003e\n    \u003ch2\u003eCometic GM Gen II \/ Mark IV Big Block (396 \/ 402 \/ 427) 4.630in Bore .070in MLS-5 Head Gasket\u003c\/h2\u003e\n    \u003cp\u003eExperience unparalleled performance and reliability with the Cometic GM Gen II \/ Mark IV Big Block MLS Head Gasket, expertly engineered for high-output engines. Designed specifically for the iconic 396, 402, and 427 cubic inch big blocks, this head gasket delivers exceptional sealing capabilities to keep your engine running smoothly.\u003c\/p\u003e\n    \n    \u003ch3\u003eKey Features:\u003c\/h3\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eMulti-Layer Steel Construction:\u003c\/strong\u003e Comprised of multiple embossed layers of stainless steel, ensuring maximum strength and durability.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eViton Rubber Coating:\u003c\/strong\u003e The outer layers feature a Viton rubber coating that withstands extreme temperatures up to 250°C (482°F).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eNo Sealants Required:\u003c\/strong\u003e Engineered for optimal sealing performance, these MLS gaskets eliminate the need for additional sealants.\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, handling the shearing forces created by different materials.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCompressed Thickness:\u003c\/strong\u003e With a compressed operating thickness of just 0.070 inches, it provides a reliable seal without compromising performance.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCorrosion Resistance:\u003c\/strong\u003e The stainless steel layers are designed to resist corrosion, enhancing the longevity of your engine components.\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \n    \u003ch3\u003eBenefits:\u003c\/h3\u003e\n    \u003cul\u003e\n        \u003cli\u003eEnhances engine performance by providing a superior seal, allowing for optimal compression and efficiency.\u003c\/li\u003e\n        \u003cli\u003eIncreases the lifespan of your engine by preventing leaks and reducing wear and tear.\u003c\/li\u003e\n        \u003cli\u003eStreamlined installation process, making it a favorite among DIY enthusiasts and professional mechanics alike.\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \n    \u003ch3\u003eUse Cases:\u003c\/h3\u003e\n    \u003cul\u003e\n        \u003cli\u003ePerfect for high-performance builds where reliable sealing is crucial.\u003c\/li\u003e\n        \u003cli\u003eRecommended for both racing applications and street performance vehicles.\u003c\/li\u003e\n        \u003cli\u003eSuitable for engine rebuilds or upgrades, ensuring a robust seal with every installation.\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \n    \u003cp\u003eUnlock the full potential of your GM Gen II or Mark IV big block engine with the Cometic MLS-5 Head Gasket. Upgrade your performance and ensure a reliable seal that stands the test of time!\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Cometic Gasket","offers":[{"title":"Default Title","offer_id":45203089260845,"sku":"C5331-070","price":141.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/4142\/1101\/files\/cometic-gm-gen-ii-mark-iv-big-block-396-402-427-4-630in-bore-501.webp?v=1743300741","url":"https:\/\/rv-and-auto-parts.myshopify.com\/products\/cometic-gm-gen-ii-mark-iv-big-block-396-402-427-4-630in-bore-070in-mls-5-head-gasket","provider":"RV and Auto Parts","version":"1.0","type":"link"}