Patent ID: 7726662

Claim:
A MLS gasket comprising: a metal body portion having an external periphery, an upper body surface, and a lower body surface, wherein said upper body surface and said lower body surface generally define a body thickness of said metal body portion therebetween; at least one cylinder aperture formed in said metal body portion and defined by an inner aperture surface; a combustion seal insert including a first insert layer having an outer first periphery, a top first insert surface and a bottom first insert surface, wherein said outer first periphery is circumscribed by said inner aperture surface, and said first insert layer includes a first insert bead portion; and a first sealing layer having a top first sealing surface and a bottom first sealing surface, wherein portions of said bottom first sealing surface are selectively in contact with each of said upper body surface and said top first insert surface, and compression of said first insert bead portion is selectively limited by said body portion; a second sealing layer having a top second sealing surface and a bottom second sealing surface, wherein portions of said top second sealing surface are selectively in contact with each of said lower body surface and a bottom second insert surface, and wherein said second sealing layer includes a second bead portion; wherein said combustion seal insert comprises a second insert layer, said second insert layer having an outer second periphery, a top second insert surface and said bottom second insert surface, wherein said outer second periphery is circumscribed by said inner aperture surface, said second insert layer includes a second insert bead portion, and compression of said second insert bead portion is selectively limited by said body portion; and wherein said body portion is thicker than the combined thickness of outer edges of said insert layers, said insert layers located side-by-side one another.