Royal Purple HPS High Performance Full Synthetic Motor Oil 10W-40, 6 qt
Royal Purple HPS High Performance Full Synthetic Motor Oil 10W-40, 6 qt
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Royal Purple HPS High Performance Full Synthetic Motor Oil 10W-40, 6 qt

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Key item features

  • Advanced Formulation: Royal Purple HPS 10W-40 is a High Performance Street Synthetic Motor Oil featuring proprietary Synerlec technology.
  • Enhanced Protection: Synerlec technology significantly elevates film strength to 3 to 4 times that of other synthetic engine oils, providing outstanding valvetrain protection.
  • Superior Anti-Wear: This motor oil is formulated with up to 30% more anti-wear chemistry compared to other conventional and synthetic specification engine oils.
  • Optimized Performance: It offers improved sealing between the piston ring and cylinder wall, maximizing horsepower and torque while optimizing fuel economy.
  • Engine Longevity: The exceptionally high film strength dramatically reduces engine wear and lowers engine heat, thereby extending the overall life of the engine.
  • Product Packaging: The product comes as a set of six 1-quart bottles, totaling 6 quarts, with a combined item weight of 12.2 pounds.
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Current price is $66.93
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Sold and shipped by Part Synergy
4.249363867684479 stars out of 5, based on 393 seller reviews(4.2)
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4.7 out of 5 stars
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Showing 1-3 of 7 reviews

Feb 20, 2026
Christopher
Walmart Associate
Sold and shipped byAdvance Cycle Parts
5 out of 5 stars review

Verified Purchase

Royal Purple

Royal Purple makes High quality, fully synthetic oils. I have used their products for many years. Have used their products in everything from small engines to cars and diesel engines.

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Apr 17, 2026
Anni
Sold and shipped byAdvance Cycle Parts
5 out of 5 stars review

Verified Purchase

The company was very accommodating %26 kind. We use this oil for our '69 Chevelle.

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May 23, 2026
Sal
Sold and shipped byIPC Store
5 out of 5 stars review

Verified Purchase

motor oil

great product and price

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Helpful?4WRM8J7V8L9J139355030