Blended from carefully selected premium base stocks and compounded with extreme pressure, anti-oxidant, anti-foam, rust and corrosion inhibitors, pour point depressants and "limited-slip" additives. MPG is designed for use in differentials and conventional transmissions in passenger cars and trucks where an API Service Classification GL-5, MT-1 lubricant is specified. MPG 85W-140 is suitable for top-off in many limited-slip differentials but should not be used when a complete drain and refill is required. Also suitable for use in lubricating points requiring heavy oils such as oil lubricated wheel bearings, steering gears, transfer cases and universal joints. Meets the performance requirements of U.S. Military Specification MIL-PRF-2105-E and MACK GO-J (GO-J PLUS).