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 4.080in Bore .051in MLS Cylinder Head Gasket
GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 .051in. MLS Cylinder Head Gasket; 4.080in. Bore
GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 .051" MLS Cylinder Head Gasket, 4.080" 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
Cometic Cylinder Head Gasket
Engine Cylinder Head Gasket
Cylinder Head Gasket