Formulated for hi-temp applications, or heavyduty use (such as towing, etc.). Replaces almost any cut gasket by making reliable “formed-in-place gaskets that resist cracking, shrinking and migrating caused by thermal cycling. Coats pre-cut gaskets to increase reliability. Temperature range -75?F to 650?F 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.