Notes: Head Gasket Ultra Seal Solid Steel Core Pontiac 326-455 4.250 in. Bore 0.038 in. Thick
Mr. Gasket Ultra-Seal Head Gaskets are a five layer (graphite core/perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn-out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads, they will not brinell (indent) aluminum cylinder heads. Suitable for high performance street, drag race and oval track use. Sold individually. Gasket Bore 4.250 inch, Compressed thickness 0.038 inch Features: Five layer (graphite core/perforated steel outer layers) composite construction Graphite core has excellent thermo-conductivity-transfers heat away from hot spots in head preventing gasket burn-out Provides excellent stability, compressibility and high temperature endurance Coated with high temperature silicone to ensure sealing of engine fluids Will not brinell (indent) aluminum cylinder heads For high performance street, drag race and oval track use
