Rust Defense System protects engines from moisture contamination caused by running through streams and bogs or frequent short-trip service, Premium 4-stroke motor oil specifically formulated to meet the demands of ATV*s, UTV*s, and SxS*s engines, Superior anti-wear technology reduces valve-train wear, and piston and ring scuffing, Enhance deposit control - controls sludge and varnish formations for cleaner and cooler running engines, Performs equally well in air-cooled and liquid-cooled engines, Low volatility base oils minimize oil consumption