Royal Purple: HPS® Series High Performance Engine Oil
Fortified with a high level of zinc/phosphorus anti-wear additive, HPS® series motor oil from Royal Purple is designed to maximize the performance and meet the demands of high performance and modified engines. When combined with Royal Purple’s proprietary Synerlec® additive, this formulation outperforms leading synthetic and conventional lubricants in gasoline and diesel engines. HPS® engine […]
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