The JE Pro Seal head gasket for GM LS7 is specified with a 4.16 in bore and 0.051 in thickness as a direct replacement for compatible LS7 head and block combinations. As part of JE’s Pro Seal line, it matches the compressed thickness and bore dimensions needed during rebuilds or head gasket service. Use reference C5889-051 to confirm the correct gasket for installation.
JE Pro Seal GM LS7 4.16in 0.051in Headgasket (ref C5889-051)