Royal Purple 35140 HPS 10W-40 High Performance Street Synthetic Motor Oil with Synerlec, 5-Gallon Pail 5 Gallon (640 Ounces)

• Maximum wear protection
• Increase horsepower and torque
• Advanced protection for performance and modified engines
• Exceptional oxidation stability
• Fortified with zinc/phosphorus anti-wear additive

Royal Purple HPS Series motor oil is specifically formulated to maximize performance and meet the demands of high performance and modified engines. It is fortified with a high level of zinc/phosphorus anti-wear additive and Royal Purple's proprietary Synerlec additive technology. This unique blend enables HPS to outperform leading synthetics and conventional lubricants. The available viscosities include 5W-20, 5W-30, 10W-30, 10W-40 and 20W-50. HPS is recommended for vehicles no longer under manufacturer warranty and for those seeking a higher level of performance and protection. Royal Purple's HPS Series of motor oil responds to increased pressure with increased viscosity. It's advanced additive technologies, such as Synerlec improves the condition of metal-to-metal contact under severe conditions for greater protection.