Cometic GM LS1 SB 4.160 inch Bore .066 inch MLS Headgasket
The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.Certificate of OriginInstallation Instructions
$67.00$134.00
The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block. Certificate of Origin Installation Instructions
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