The Lucas Oil 10043 80W-90 Heavy Duty Gear Oil is a high-performance product designed for performance and custom fitment types. This gear oil has a viscosity of 80W-90, with a GL rating of GL-5, ensuring optimal lubrication for differential transmissions. Made by Lucas Oil in the United States, this 32oz quart of gear oil is formulated to provide durability and longevity for heavy-duty vehicles. Perfect for those looking for a reliable and efficient gear oil solution, this product is a must-have for any automotive maintenance or repair project. ( Lot of 2 ) Free Shipping