Mr Gasket 5810 Pontiac Ultra-Seal Head Gaskets in Ronkonkoma, New York

New Pair $79.00! Mr Gasket 5810 Pontiac Ultra-Seal Head Gaskets. Fits 1963-79 Pontiac 326-455 engines. Features: Gasket Bore: 4.250'', Compressed Thickness: .038'' and Graphite Core, Elastomer Coated. A special five-layer composite construction (graphite core with perforated steel outer layers) gives Ultra-Seal gaskets excellent sealing properties. The core has great thermoconductivity, transferring heat away from hot spots to coolant passages to prevent gasket burnout. Email or call Action Performance. PayPal and shipping available. Find Us On FACEBOOK for other specials, tech info, pictures and videos!