CHEVY 396, 402, 427, 454 - STEEL SHIM HEAD GASKETS - PAIR OF 2
Steel shim head gaskets have .020" compressed thickness for higher compression compared to .038" composite gaskets.
*Roughly 1/2 point higher compression ratio compared to .038" composite head gaskets.
*Embossed to seal against extreme cylinder pressures.
*For use in high performance street and race applications.
*4.250" Bore size.
Chevrolet 396-454 Engines; 4.320" Max Bore.
~ Camaro ~ Chevelle ~ Corvette ~ El Camino ~ Nova ~ C10 ~ C20 ~ C30