Mr. Gasket Ultra-Seal Head Gasket 429,460 Ford Big Block 1968-1978 5809G

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 4.490 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

Fits 1968-1988 Ford 429,460 Big Block except Boss 429 - 4.490 Inch Gasket Bore

Made in the USA!