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The JE Pro Seal head gasket for GM LS1/LS2/LS3/LS6 engines is specified with a 4.10 in bore and 0.039 in thickness to match particular LS head and block combinations. This Pro Seal gasket is intended as a correct-dimension replacement for rebuilds and head installations where precise bore and compressed thickness are required. Verify fitment prior to installation.
JE Pro Seal GM LS1/LS2/LS3/LS6 4.1in 0.039in Head Gasket
