MRG5860 CHEV S.B. Mr. Gasket Ultra-Seal Valve Cover Gaskets

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