Ultra-performance grease (Mpg) is a high performance, multi-service, aluminum-complex, synthetic grease which significantly increases bearing life and equipment reliability. It also makes bearings run smoother, cooler and quieter. Mpg satisfies a wide range of grease requirements from the lubrication of bearings to u-joints and general-purpose use UPG is stable at high temperatures it also has excellent oxidation resistance for extended service life and to provide a margin of safely between lubrication intervals UPG is made using a superior blend of synthetic base oils plus royal purple s unique, proprietary, noncorrosive syn slide additive technology The performance oil that outperforms.