Castrol Power1 Racing Synthetic 4T Engine Oil Castrol Power1 4T with Race Derived Technology is specifically designed for bikers who love the exhilaration of riding to the limit. Race Derived Technology is based on Castrol's long and successful racing association that helps oil to flow fast and stay strong - reducing internal engine friction, even under the most arduous riding conditions. It has been tested and proven to deliver exceptional acceleration and power at a touch of the throttle. Features: Fully synthetic 4-stroke motorcycle oil Increases engine power and performance Protects engine from wear Superior high temperature oil consumption and oxidation control Continuous protection of engine and transmission Exceeds API SL, Jaso Ma-2