Lucas High Performance Motorcycle Oils are the result of technology gained through years of blending motor oils and gear oils for the racing industry. These are true racing oils that far exceed all manufacturer specifications and can outlast other oils up to 4 times on the track or on the street. Proven to cool and quiet engines and gear boxes. Use in all air-cooled and water-cooled 4-stroke engine, primaries and transmissions that call for SAE 20W-50 motor oil.