{"product_id":"cometic-subaru-ej25-motor-100mm-051-inch-mls-head-gasket-dohc-16v-c4264-051","title":"Cometic Subaru EJ25 Motor 100mm .051 inch MLS Head Gasket DOHC 16V - C4264-051","description":"\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eCometic MLS Head Gasket — Subaru EJ25, 100mm Bore, .051\" (C4264-051)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eA multi-layer steel head gasket for the EJ25, and the standard fix when a factory gasket lets go on a boosted flat-four.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMLS provides maximum sealing performance and requires no sealants.\u003c\/strong\u003e Three layers of stainless steel give increased strength plus the ability to rebound and resist corrosion — that rebound is what keeps the seal alive through heat cycles instead of crushing once and staying crushed.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eLoad-controlled embossments conform load distribution across the sealing area, which creates an exceptional seal while requiring less clamp load and producing less bore distortion. Outer layers are embossed and coated both sides with Viton, heat resistant to 250°C \/ 482°F. The center shim layer is uncoated stainless, and its thickness sets the compressed height.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eApplied dry. No sealant, no re-torque when properly installed on prepared surfaces.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e 100mm bore, .051\" compressed thickness, 3 layers, round bore. Made in USA.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Subaru EJ25D, EJ251, EJ252, EJ253, EJ255, EJ257 — 06-14 WRX, 04-17 STI, 04-13 Forester XT, 05-09 Legacy GT and Outback XT.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eSold individually — you need two per engine.\u003c\/strong\u003e This is the single most common ordering mistake on a boxer, and it means the build stops halfway.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eTwo things to plan for.\u003c\/strong\u003e MLS needs a properly finished deck and head surface to seal; a wipe-down isn't enough. And thickness changes compression, so pick to your target — .040\" and .060\" are the other options.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eHead studs are effectively required.\u003c\/strong\u003e An MLS gasket on stock head bolts under real boost is how people end up doing this job twice.\u003c\/p\u003e","brand":"Street Strip Supply","offers":[{"title":"Default Title","offer_id":47280633184429,"sku":null,"price":51.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8105\/7197\/files\/C4264-051.jpg?v=1787231765","url":"https:\/\/streetstripsupply.com\/products\/cometic-subaru-ej25-motor-100mm-051-inch-mls-head-gasket-dohc-16v-c4264-051","provider":"Street Strip Supply","version":"1.0","type":"link"}