From drag strips to paved and dirt ovals, racing performance demands race-level protection. Which is why motorsport teams and enthusiasts depend on Valvoline VR1 Racing Motor Oil, Americas #1 racing oil. Our exclusive high zinc and phosphorus formula is engineered specifically for modern and classic high-performance engines both on and off the track, which includes flat-tappet and performance cam motors. Its chemically designed to reduce internal friction and enhance power output, while protecting critical engine parts from wear under the extreme conditions of racing. While its high load carrying characteristics, minimum foaming under stress and maximum resistance to thermal degradation ensure stability and lubrication. Valvoline VR1 Racing Motor Oil is recommended for high-performance gasoline engines as well as those burning full or partial alcohol fuels. It is not recommended for vehicles with catalytic converters or in wet clutches. Go with the proven winner, Valvoline. The trusted motor oil brand for over 150 years.