Manufacturer's Part Number:
Summit Racing Part Number:
Intended for marine use only.
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Maximize the performance of your 4-stroke marine engine with Royal Purple HPM engine oil! HPM engine oil provides exceptional anti-wear protection with a load-carrying capacity that exceeds ordinary mineral or synthetic marine lubricants many times over. Increased engine efficiency, cooler operating temperatures, and maximized horsepower and torque are benefits of Royal Purple's advanced proprietary Synerlec technology. HPM engine oil has exceptionally high film strength for dramatic reductions in engine wear and reduced heat to extend the life of your engine. Improved sealing between the piston rings and cylinder walls optimizes fuel economy, horsepower, and torque. Exceptional oxidation stability extends oil life for time and money savings between changes and for a reduced environmental impact. Royal Purple HPM engine oil exceeds stringent NMMA FC-W Catalyst Compatible warranty requirements.