The original Permatex Blue. Will not foul oxygen sensors. Replaces almost any cut gasket.
Makes reliable formed-in-place gaskets that resist cracking, shrinking and migrating. Coats pre-cut gaskets to increase reliability.
Temperature range -65́F to 500́F (-54́C to 260́C) intermittent; resists auto and shop fluids.
Suggested Applications: Valve covers, oil pans, timing covers, water pumps, thermostat housings, transmission pans.