Ultra-Seal is Mr. Gasket premium valve cover gasket material. It's manufactured from a high density cork and rubber blend with a black latex coat applied to the outside to help seal minor flange irregularites and eliminate oil leakage. It creates a positive seal by controlled swelling of the gasket material when exposed to hot oil. For original equipment replacement, high performance street, drag race and oval track use. Sold as a pair. These gaskets are an extra thick .312 inch which can help with valvetrain clearance.

Features

Manufactured from high-density cork /rubber blend gasket material

A black latex rubber coating is applied to outside of gasket to help seal minor flange irregularities and eliminate the possibility of oil leakage

Creates a positive seal by controlled swelling of the gasket material when exposed to hot engine oil

For OE replacement, high performance street, drag race and oval track

An extra thick .312" which can help with valvetrain clearance