Viscosity 20w-50 Brand Driven Racing Oil Package Information Bottle Uniquely compounded from Pennsylvania grade petroleum – Recognized in the racing community as the finest base oil petroleum for creating high performance lubricants High Zinc (ZDDP) content Engineered and tested to deliver INCREASED HORSEPOWER Engineered to deliver 30% LESS WEAR under high load GP-1 Products available in both synthetic and conventional blends in a variety of viscosities – including break-in and assembly oils, gear oil and high performance nitro oil