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The JE Pro Seal head gasket for GM LS1/LS2/LS3/LS6 engines is supplied with a 4.16 in bore and 0.051 in thickness as a specific replacement option. Designed to match the required bore and compressed thickness for affected LS applications, this Pro Seal gasket supports accurate head installation during rebuilds or repairs. Use reference C5318-051 to confirm fitment.
JE Pro Seal GM LS1/LS2/LS3/LS6 4.16in 0.051in Head Gasket (ref C5318-051)
