Torco SR-4 5W40 100% Synthetic Motor Oil is Catalytic Converter Safe and designed for severe operating conditions. SR-4 offers a high level of performance and protection for high performance engines utilizing gasoline, diesel and LPG. Utilizes a PAO and Ester base oil system that offers extreme temperature lubrication and thermal stable technology. This combination of base oil chemistry and Torco's exclusive MPZ® Generation 2 additive system minimizes frictional losses resulting in more horsepower and torque output. SR-4 contains additional antioxidants and lubricity agents to eliminate dryness produced by E85, LPG and other alternative fuels. SR-4 also provides a high TBN to neutralize acids produced by diesel fuels that contain high levels of sulfur. SR-4 provides unequaled protection of vital engine components including cylinder walls, pistons, rings, camshafts, valvetrain and bearings.
Features & Benefits
- Group IV/V 100% Synthetic Formulas - Maximizes horsepower & torque output by as much as 4% - Reduces engine temperatures - Highest level of engine protection - Meets or Exceeds API performance requirements. Intended for racing applications.