{"product_id":"cometic-gm-mercury-marine-1050-gen-iv-big-block-v8-056in-mls-cylinder-head-gasket-4-530in-bore","title":"Cometic GM\/Mercury Marine 1050 Gen-IV Big Block V8 .056in MLS Cylinder Head Gasket-4.530in Bore - C5639-056","description":"\u003cp\u003eThe \u003cstrong\u003eCometic GM\/Mercury Marine 1050 Gen-IV Big Block V8 .056in MLS Cylinder Head Gasket-4.530in Bore - C5639-056\u003c\/strong\u003e is a precision-engineered head gasket with a 4.530\" bore and .056\" compressed thickness.\u003c\/p\u003e\n\u003cp\u003eThe Cometic Multi-Layer Steel (MLS) head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring Multi-Layer Steel (MLS) construction, this gasket uses multiple embossed steel layers that conform to surface irregularities and maintain a positive seal. Precision CNC-machined to exacting tolerances, this gasket seals combustion, water jackets, and oil passages simultaneously — eliminating the need for multiple gaskets or sealing compounds.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Multi-Layer Steel (MLS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore Size:\u003c\/strong\u003e 4.530\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e .056\" compressed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e C5639-056\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cometic Gasket","offers":[{"title":"Default Title","offer_id":52474167361899,"sku":"CGSC5639-056","price":130.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/9690\/4998\/files\/H1587MLS_5e679bde-a866-43dd-925c-96e9ccb3e6f1.jpg?v=1779649243","url":"https:\/\/www.raptorracing.com\/products\/cometic-gm-mercury-marine-1050-gen-iv-big-block-v8-056in-mls-cylinder-head-gasket-4-530in-bore","provider":"Raptor Racing","version":"1.0","type":"link"}