SR-5 GDL Catalytic Converter Safe 100% synthetic oil is design for vehicles equipped with catalytic converters and O2 sensors. Like SR-5R, SR-5 GDL utilizes Group IV/V synthetic base oil chemistries. The SR-5 GDL additive system is specifically formulated to protect vital engine parts increase the power in your high performance street car.
- 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.
- Available Sizes: 1 Liter, 5 Gallon Pails, 55 Gallon Drums