Morey's Heavy Duty Oil Stabilizer is formulated using advanced additive technology to stabilize all engine, gear and hydraulic oils, including synthetic and semi-synthetic types. Reduce operating temperature in engines, gearboxes, differentials & Hydraulics. Stop piston wash during cold weather idling. Eliminate dry starts – increased engine and gear life. Improve and sustain oil pressure. Protect against high temperature viscosity loss. Insure against oil breakdown in case of sudden overheating. Reduce oil consumption. Extend life of regular oil in all applications. Smooth & cool hydraulic operations. Reduce noise in transmissions & differentials.