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Cometic MLS head gasket for GM LS-Series Gen III/IV small block V8 engines with a 4.200in bore, .040in thickness. HP shim technology increases clamp load and sealability around the combustion chamber while embossed AMP-coated outer layers and an uncoated stainless shim layer provide multi-layer sealing suited to open-deck blocks and varied surface finishes.
Cometic ChevroletLS1/LS2/LS3/LS6 Gen-III/IV SBC V8 4.200 mm Bore .040in MLS Cylinder Head Gasket
