Lucas Synthetic 5W·20 motor oil is a formulation of hillh quality synthetic base stocks and an exclusive high performance additive package. It's the ideal on track/off track lubricant that ensures minimum drag, maximum protection from wear, maximum fuel mileage, extended drain intervals, and easier cold weather starting. Lucas Synthetic 5W·20 motor oil is the perfect lubricant for the high temperatures of turbo charged engines. It blends with other motor oils, synthetic or petroleum. Expect more mlles/kilometers between overhauls and lower oil temperatures. For any situation that requires a heavier oil, add Lucas Heavy Duty 011 Stabilizer or Pure Synthetic oil Stabilizer to gain the desired viscosity. Lucas 5W·20 has been used extensively and proven excellent for kart engines. It far outlasts conventional oils. Meets or exceeds all manufacturers specifications for SAESW·20 and APISL and ILSACGn. Exceeds A3/B3/84 • SM/SL/SJ/CF.