Power Up GL4 is a multi purpose gear lubricant specially formulated to meet the unique requirements of the API standard. Power Up GL4 is blended from selected base stocks and additives that yield a lubricant of exacting quality. This product is compounded utilizing sulfur phosphorus GL4 chemistry and contains foam suppressants as well as corrosion inhibitors which are specially designed to protect bronze alloys. The result is a lubricant, which resists the formation of varnish deposits on synchronizer components thus assuring long, trouble free operation.