Extreme pressure additives deliver outstanding high pressure performance, load carrying capacity and durability for towing and hauling Contains a limited slip additive for optimal clutch pack performance Daily Protection gear lubricant helps prevent noise and chattering, while protecting gear teeth from wearing out prematurely Outstanding high and low temperature protection ranges from -30F to 350F for dependable year-round coverage Fights rust and corrosion with corrosion inhibitors and safeguards against impurities, oxidation and thermal breakdown Meets or exceeds API Services GL-5 and non-synchronized manual transmissions calling for GL-4. It has limited slip additive included for applications calling for limited slip gear oils (Ford M2C118A, Chrysler MS-5630, or GM1052358) added in most vehicles American made and formulated, from the Original Motor Oil brand trusted for more than 150 years