HPM High Performance Marine Oil 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.
HPM is available in the following viscosities: Multi-Grade 10W-30 and 10W-40
A new bearing surface appears smooth until magnified 1500x
The bearing is scuffed after using the leading synthetic oil
The bearing is visibly smoother after using Royal Purple HPM
Exceptionally high film strength for dramatic reductions in engine wear and reduced heat engine to extend the life of your engine.
Improved sealing between the piston ring and cylinder wall for optimized fuel economy and maximum horsepower and torque.
Exceptional oxidation stability extends oil life and allows for more hours between oil changes saving you time, money and reducing the impact on the environment.
Advanced synthetic solvency reduces engine deposits and keeps engines clean.
No rust observed in standard industry testing.