Polaris PS-4 is made specifically for Polaris powersports engines to maintain peak performance longer than automotive and other powersports oils. Our Polaris Proprietary Additive System is formulated using the latest lubricant technology to protect vital engine components on startup, control moisture and deliver maximum engine protection for Polaris off-road vehicles. Only Polaris Lubricants are specially developed with our engines to handle the intense conditions and high-performance requirements demanded by Polaris ATV, RANGER, GENERAL and RZR riders worldwide.