Lubegard 70944 Heavy Duty Gear Protectant, 32 fl. oz. Prevents welding and scoring on gears with high wiping stresses, especially hypoid gears and highly-loaded spur gears Increases horsepower by reducing back-lash frictional (i.e. tooth) drag in differentials allowing more horsepower to the wheels Contains no shear-sensitive viscosity components Reduces tooth drag and absorbs shock loads Reduces friction and wear on gears and bearings