XPR - Extreme Performance Racing. Royal Purple's XPR (Extreme Performance Racing) is a specifically formulated synthetic motor oil designed for the grueling demands of multi-platform racing environments. XPR is popular in a variety of motorsports including: NASCAR, NHRA, World of Outlaws and Bonneville Salt Flats.

Performance And Protection. Royal Purple combines the highest quality synthetic based oil with their proprietary Synerlec® additive technology along with additional performance enhancers to create a lubricant that maximizes horsepower and torque, all while providing the highest level of protection against heat and wear. XPR provides more protection than other leading synthetics and conventional lubricants including those that are combined with aftermarket additives.

Synerlec® Additive. Synerlec® is Royal Purple's proprietary additive lubricant technology that creates an ionic bond that adheres to metal parts to provide continuous protection even at start-up and strengthens the oil to provide unparalleled performance and protection. Synerlec amplifies the already-exceptional oxidation resistance of synthetic based oils.

Application. This Royal Purple XPR Racing Oil is a 10w40 weight. Check your Mustang's oil cap or owner's manual for the correct weight for your engine. Excellent for oval track and endurance car racing applications, designed for race use only!

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov