Mr. Gasket MRG-5877 Ultra-Seal Valve Cover Gaskets

MRG-5877 Mr. Gasket Ultra-Seal Valve Cover Gaskets

Fits 1959-1980 Chrysler 361,383,400,413,426,440 B/RB Big Block except 426 Hemi

Features:

• Manufactured from high-density cork /rubber blend gasket material
• For OE replacement, high performance street, drag race and oval track
• .187″ thick
• Creates a positive seal by controlled swelling of the gasket material when exposed to hot engine oil
• A black latex rubber coating is applied to outside of gasket to help seal minor flange irregularities and eliminate the possibility of oil leakage

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.

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