The Ford Motorcraft Synthetic Rear Axle Lubricant is a high-quality gear oil designed for rear axles in vehicles. Made with a 75W-140 oil viscosity rating and GL-5 rating, this lubricant ensures smooth and efficient gear performance. This case of 12 quarts is packed with 1 quart volume bottles, making it convenient for automotive maintenance and repair. Made in the United States by the reputable brand Motorcraft, this gear oil is a reliable choice for keeping your vehicle's rear axle lubricated and functioning properly. Additionally, it includes a California Prop 65 Warning due to its potential health risks.