The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.
Cometic GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 .051in MLS Cylinder Head Gasket 4.030in Bore
GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 .051in. MLS Cylinder Head Gasket; 4.030in. Bore
GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 .051 " MLS Cylinder Head Gasket, 4.030 " Bore
GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 Cylinder Head Gasket
GM LS1/2/3/6 Gen-III/IV V8 Cylinder Head
Engine Cylinder Head Gasket
Cylinder Head Gasket