{"product_id":"james-cylinder-head-base-gasket-kit-mls-rcm-4-1-8-bore","title":"James, cylinder head \u0026 base gasket kit. MLS\/RCM 4-1\/8\" bore","description":"4-1\/8\" bore. Kit to service one engine. With MLS head gaskets and .022\" (final crush .020\") RCM (Rubber Coated Metal) base gaskets.  MLS explained: MLS (Multi Layer Steel) is used in high performance head gasket applications. They consist of multiple layers of steel uniquely designed and riveted together; outside the gasket surface for ease of installation; and provedes a high performance seal. MLS head gaskets eliminate the use of dowel pin o-rings.  RCM explained: RCM (Rubber Coated Metal) gaskets consists of a .020\" thick stainless spring steel base covered with a .001\"  thick heat resistant Viton rubber on both sidesand a silicone bead. A very strong gasket which requires no re-torquing.    MULTI LAYER STEEL HEAD \u0026amp; STEEL BASE RUBBER COVERED DUAL SIDED SILICONE BASE GASKETS; 4 1\/8\" BORE\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 84-17 S\u0026amp;S 4-1\/8\" engines (excl. Twin Cooled)\u003c\/p\u003e","brand":"James Gaskets","offers":[{"title":"Default Title","offer_id":54237242917191,"sku":"970165","price":136.97,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/7812\/0519\/files\/970165k.jpg?v=1784469990","url":"https:\/\/www.chopperessentials.com\/products\/james-cylinder-head-base-gasket-kit-mls-rcm-4-1-8-bore","provider":"Chopper Essentials Co.","version":"1.0","type":"link"}