Product Description

PennGrade Multipurpose Classic GL-4 Gear Oil

PennGrade multipurpose Classic GL-4 gear oil is specially blended using high-quality mineral base stocks and select additive technologies. It's designed to lubricate yellow metallurgy (brass, bronze, copper) and other soft metals used in synchronizers, bushings, thrust washers, and other components typically found in classic manual transmissions and transaxles.