Swepco 306 Motor Oil, 20w50

Swepco Supreme Formula 306 Engine Oil
Zinc and Phosphorus are the anti-wear additives of choice used by lubricant manufacturers around the world. The newer SM oil formulations have allowed for lower levels of these additives which are important in air cooled Porsche engines. Swepco 306 Motor Oil has high levels of both Zinc and Phosphorus and has over 5 times the amount of Boron, another anti-wear additive, as the newer SM oil formulations.

High VI solvent extracted paraffinic base stocks
Contains DIMONYL
Detergent/dispersants
Oxidation inhibitors
Rust and corrosion inhibitors
Anti-foam inhibitor