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Royal Purple HPS Series motor oil is specifically formulated to maximize performance and meet the demands of high performance and modified engines. HPS is recommended for vehicles no longer under manufacturer warranty and for those seeking a higher level of performance and protection.

This unique blend enables HPS to outperform leading synthetics and conventional lubricants for both gasoline and diesel engines. Royal Purple’s HPS is fortified with a high level of zinc/phosphorus anti-wear additive and Royal Purple’s proprietary Synerlec® additive technology. Available viscosities include: 5W-20, 5W-30, 10W-30, 10W-40 and 20W-50.

Royal Purple 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. Take a look at the following photos:

Micropolish New Bearing
A new bearing surface appears smooth until magnified 1500x
Micropolish Leading Synthetic
The bearing is scuffed after using the leading synthetic oil
Micropolish HPS
The bearing is visibly smoother after using Royal Purple HPS

 

Performance Advantages

 

Maximum wear protection

Exceptionally high film strength for dramatic reductions in engine wear and reduced engine heat to extend the life of your engine

Improved performance

Improved sealing between the piston ring and cylinder wall maximizes horsepower and torque and optimizes fuel economy

Better efficiency

Exceptional oxidation stability extends oil life and allows for more miles driven between oil changes saving you time, money and reducing the impact on the environment

Cleans

Advanced synthetic solvency reduces engine deposits and keeps engines clean

Advanced protection

Protects valve trains using roller or flat tappet lifters that require added protection due to high lift/ high ramp rate camshafts

Superior corrosion protection

Provides superior corrosion protection

For vehicles under warranty, Royal Purple recommends its API-licensed oils available at retailers nationwide.