Supreme 9000^™ Full Synthetic Racing Oil 5W-50 is a premium quality, high zinc, multi-grade para-synthetic engine oil that is formulated to reduce friction and wear, increase engine efficiency and extend engine life in all types of high-performance gasoline engines including those that contain flat tappet cams and are turbocharged or supercharged. Blended with our proprietary friction modifiers, Micron Moly^® and Penetro^®, Supreme 9000^™ Full Synthetic Racing Oil 5W-50 delivers strong protection against wear, scuffing and abrasion.