Lucas High Performance Motorcycle Oils are the result of technology gained through years of blending motor oils and gear oils for the racing industry. These are TRUE racing oils that FAR exceed all manufacturer specifications and can outlast other oils up to 4 times on the track or on the street. Lucas Motorcycle Oils are built for endurance. These oils will lower oil temperatures, extend the life of vital components, reduce noise and leaks and increase performance. SAE 20W-50 is also an excellent gear oil and primary oil.