Lucas Synthetic 5W-20 Motor Oil is a formulation of high 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 SAE 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 miles/kilometers between overhauls and lower oil temperatures. For any situation that requires a heavier oil, add Lucas Heavy Duty Oil Stabilizer or Pure Synthetic Oil Stabilizer to gain the desired viscosity. Lucas Synthetic SAE 5W-20 has been used extensively and proven excellent for kart engines. It far outlasts conventional oils. Meets or exceeds all manufacturers specifications for SAE 5W-20 and API SL and ILSAC GF4. Exceeds American and European OEM specifications. Exceeds performance levels of API SM/SL/SJ/CF, ACEA A3-98, B3-98, B4-98, VW 500/502/505, Daimler Chrysler 229.1 and BMW Longlife Oil.