XPR is popular in a variety of motorsports including: NASCAR, NHRA, World of Outlaws and Bonneville Salt Flats. AVAILABLE XPR SYNTHETIC MOTOR OIL VISCOSITIES XPR 3.1 0W-5. XPR 10W-40. XPR 20W-50. The ultra-low viscosity provides the most horsepower possible by keeping parasitic losses to an absolute minimum while providing unparalleled protection.
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