We blend VP Classic SAE 10W30 Non-Synthetic Racing Motor Oil with high-quality mineral base stocks and a select balance of additives, ensuring superior film strength and wettability of critical engine parts while running or idle. VP Classic blend contains a unique base oil cut that clings to engine parts, and its enhanced levels of zinc and phosphorus (ZDDP) afford additional wear protection to flat tappet/roller cams. Classic non-synthetic SAE 10W30 oil features a strong detergent dispersant package coupled with an aggressive rust and corrosion additive. It protects engines that run excessively hot and create large amounts of moisture at shut down. Our Classic blend is suited for on and off-road high-performance applications, including dirt, mud, circle, and drag race engines. It's also great for classic car applications that require an SAE 10W30 non-synthetic racing oil. Do NOT mix oil additive supplements with this oil. Not recommended for use in vehicles with catalytic converters.