Permatex's Optimum Easy-Disassembly Red 3.35 oz is an advanced maximum performance, max temperature RTV gasket maker. The Easy-Disassembly feature reduces the time it takes to disassemble the engine or parts, apply as normal and when it comes time to take apart, all you have to do is loosen the parts from each other and peel away the gasket maker with your fingers, it resists aging, weathering and thermal cycling without hardening, shrinking or cracking. Maximum temperature performance: ranges up to 750 F (399 C) higher temperature resistance than Ultra Copper and regular RTV red. OEM Specified. Sensor safe, low odor, non-corrosive. Non-flammable, non-toxic. Can be used as a gasket maker or dressing. Meets performance specs of OE silicone gaskets. Withstands up to 750F (399 C) intermittent. Top Job Applications: Header, manifold, slip fit exhaust parts, turbocharge.