The kit features race-proven head studs with 240,000 PSI tensile strength for superior clamping force and durability under high boost or heavy loads. It includes Grade “C” head gaskets, valve cover gaskets, valve stem seals, O-rings, plus a full set of longer studs, shorter bolts, nuts, and washers—offering everything needed for a complete lbz head gasket replacement or lly head gasket replacement.
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