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 .187 inch thick.
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
- .187" thick
