Permatex® High-temp red RTV silicone gasket maker. OEM specified. Formulated for hi-temp applications or heavy-duty 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 -65 to 650 °F (-54 to 343 °C) intermittent; resists auto and shop fluids.