Royal Purple XPR Racing Engine Oil, formulated for ultra-high performance applications, such as racing, modified and off-road engines. The strength of the film makes XPR suitable for turbo and supercharged engines and to engines using special and NOS petrols. The line XPR (Extreme Performance & Racing) combines the highest quality synthetic base oil, Royal Purple's proprietary Synerlec™ additive technology and additional performance enhancing agents to create a lubricant that enhances horsepower and torque, while providing the highest level of protection against wear and high temperatures. Synerlec™ it is extremely strong, adheres to the engine surfaces and remains there to provide immediate protection at start-up. Royal Purple Motor Oil is tough enough to withstand the effects of heat far.
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