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 -65?F to 500?F (-54?C to 260?C) intermittent; resists auto and shop fluids. First generation 1970-1980 gasket maker.
Suggested Applications: Valve covers, oil pans, timing covers, water pumps, thermostat housings, transmission pans