Royal Purple's XPR (Extreme Performance Racing) is specifically formulated for the demands of multi-platform racing environments. XPR is popular in a variety of motorsports including: NASCAR, NHRA, World of Outlaws and Bonneville Salt Flats.
XPR combines the highest quality of synthetic base oil with Royal Purple's proprietary Synerlec® additive technology. Combined with 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 leading synthetics and conventional lubricants including those combined with aftermarket additives.
Professional engine builders and race teams cite increased horsepower and longer engine life with the use of Royal Purple, that gains its performance advantages from Royal Purple's proprietary Synerlec additive technology.
Available XPR viscosities: 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: An ultra-light viscosity motor oil formulated for gasoline engines used in drag racing, motorcycle sprint racing, etc.
XPR 5W-20: 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: 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: 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.