STARFIRE GL-5 GEAR LUBRICANTS are multi-purpose lubricants designed for service in automotive and heavy duty applications. They are formulated with refined paraffinic base stocks and a sulfur-phosphorus extreme pressure additive package, which provides excellent thermal and oxidative stability, as well as anti-foam, antirust and anti-corrosion protection, and has excellent load carrying capabilities. Note: These products are not approved for Eaton Roadranger and ArvinMeritor Extended Warranties. 6 Quarts/case 5 Gallons Pail 16 Gallons Keg