Clean burning, low odor, smokeless oil formulation designed to improve exhaust valve performance. It offers maximum engine protection at high rpm and meets category 4 low temperature requirements. Formerly gold plus, its is the same full synthetic, high performance formula. Polaris engineering approved for maximum engine protection Formulated for easy starting in extreme cold Improved rust and corrosion inhibitor package Full synthetic base oil formulation offers excellent load carrying abilities to reduce engine wear Designed for variable exhaust systems and all other Polaris 2-cycle engines