Size: 5 QT. High Zinc Formula: Enriched with ZDDP (zinc dialkyldithiophosphate), this motor oil combines phosphorus and 2X more zinc for unparalleled film strength and anti-wear protection for pistons, cams, and bearings.
Until 1965, there was no high-performance racing oil. So we engineered one. Specially designed for pushrod and flat-tappet engines, Valvoline VR1 Conventional Racing Oil includes friction modifiers to boost horsepower at high RPMs.
