ADVANTAGE GL-5 PREMIUM GEAR OILS are multipurpose, extreme pressure gear lubricants which are recommended for hypoid and bevel gear sets used in many front and rear drive differentials. These gear oils are intended for service fill, top-off and refill of hypoid and other drive axles which recommend API GL-5 gear lubricants. Can be used as a top off in limited slip applications but is not a limited slip capable product intended for fill or refill.