Product Details: The Citgo Petroleum Mystik JT-7 SAE 80W-90 Gear Oil is a high-performance oil designed to provide superior protection against wear and scuffing. This oil is formulated with an extreme pressure additive to ensure maximum protection in extreme conditions. It is available in multiple viscosity grades with a high viscosity index, providing outstanding thermal stability and durability. This oil is perfect for use in manual transmissions, differentials and other gear applications. The 1-quart/0.25-gal./950-ml. bottle makes it easy to store and transport. With this gear oil, you can be sure that your vehicle is getting the best protection possible. FleetPride is your First Click in Heavy Duty®.