Expertly formulated, Royal Purple 10W-40 HPS Synthetic Engine Oil 31140 provides your engine with a synthetic oil that meets the demands of high performance and modified engines. Suitable for diesel and gas automotive engines, HSP can also be used in stationary industrial engines and commercial fleet engines. HSP is fortified with a high level of a Zinc / Phosphorus anti-wear additive that keeps engine heat low and extends the life of your engine.
Featuring a specially formulated proprietary Synerlec additive technology, HSP helps to reduce engine deposits and keeps your engine clean. HPS is recommended for vehicles no longer under manufacturer warranty and for those seeking a higher level of performance and protection.
- Advanced Synthetic Solvency
- Superior Corrosion Protection
- Exceptional Oxidation Stability
- Exceptionally High Film Strength
- Outstanding Wear Protection for Valve Train Components
- Improved Sealing Between the Piston Ring & Cylinder Wall