XPR — Extreme Performance Racing oils are formulated for demanding applications such as racing, modified engines and off-road use. XPR's high film strength make it exceptionally well-suited for today's high performance cars and trucks, particularly turbo and supercharged engines and / or engines using a nitrous boost.
XPR produces winning results on the race track and is safe enough to use in your daily commuter car.
Professional engine builders and race teams cite increased horsepower and torque, and longer engine life with the use of Royal Purple.
Be sure to follow the manufacturer's and / or engine builder's recommendations when selecting an oil viscosity. For recommendations on modified engines, please contact us.
XPR — Extreme Performance and Racing oils combines the highest quality synthetic base oil, Royal Purple's proprietary Synerlec additive technology and additional performance enhancers to create a lubricant that maximizes horsepower and torque, while providing the highest level of protection against heat and wear. XPR provides more protection than conventional motor oils — mineral or synthetic — including those combined with aftermarket additives.
XPR 3.1 0W-5 is our lowest viscosity engine oil designed for the most competitive classes such as Pro Stock, Pro Stock Bike, Comp Eliminator and NASCAR Cup (qualifying). The ultra low viscosity provides the most horsepower possible by keeping parasitic losses to an absolute minimum while providing unparalleled protection.
XPR 0W-10 is an ultra-light viscosity motor oil formulated for gasoline engines used in drag racing, motorcycle sprint racing, etc.
XPR 5W-20 is a light viscosity motor oil formulated to withstand exotic fuels such as alcohol, methanol and nitrous oxide (NO2). Excellent for drag racing.
XPR 5W-30 works well in a variety of applications from oval track late models to bracket racing. It is extremely versatile and produces excellent horsepower while preventing wear.
XPR 10W-40 is designed for marine, oval track and endurance car racing. Capable of withstanding long intervals of extreme heat, it works especially well with alcohol and methanol. It is extremely popular in sprint cars, late models and World of Outlaws racing.
XPR 20W-50 is formulated for running extended periods under extreme pressure and heat. It is used in oval track, marine and drag racing and is very popular in sprint cars, late models, truck pullers and bracket racing.
Want to know more? Read the FAQs (Frequently Asked Questions) for Street Applications. For more detailed and technical data, read the PS & MSDS (Product Sheets and Material Safety Data Sheets).