748015 High Temperature Silicone

Loctite SI 5920 Ultra Copper is a high-temperature RTV silicone gasket maker engineered for extreme thermal environments. This sensor-safe, non-corrosive formula provides superior adhesion and outstanding oil resistance, making it the preferred choice for Harley-Davidson exhaust manifolds, connectors, and valve covers. It maintains excellent torque retention and resists all common automotive fluids and vibrations. With a service range from -60°C to 370°C, it handles the intense heat generated by heavy-duty motorcycle engines. This product is supplied in an 80ml tube and is sold individually. Loctite remains the benchmark for high-performance chemical gaskets in the motorcycle industry.