Royal Purple 11629 HPM 4-Stroke Marine Oil 10W40 *D*
Royal Purple 11629 HPM 4-Stroke Marine Oil 10W40 is specifically formulated to maximize performance and provide superior protection for four-stroke marine engines. It exceeds the stringent NMMA FC-W Catalyst Compatible® warranty requirements. HPM engine oils provide exceptional anti-wear protection with a load-carrying capacity multiple times that of ordinary mineral or synthetic marine lubricants. It delivers cooler operating temperatures, increases engine efficiency and maximizes horsepower and torque. Royal Purple's advanced, proprietary Synerlec® technology enables HPM to exceed the harsh demands of the marine applications.
Royal Purple Marine Oil has been discontinued.