The ultra-seal head gasket by Mr.
Gasket features a composite construction of 5 layers, including outer layers of graphite and perforated steel.
Excellent thermo-conductivity is provided by the graphite core, which transfers heat away from hot spots in the head to coolant passages, preventing burn-out of the gasket.
This ultra-seal head gasket offers stability, compressibility, and endurance at high temperatures.
Coated with silicone for sealing engine fluids at high temperatures.
It will not brinell (indent) aluminum cylinder heads.
Suitable for high performance street, drag race, and oval track applications.
Designed for Chevrolet Small Block 400, 1970-80, and includes 350 Vortec 1996-2002.