The Yukon Gear Grizzly Locker for Ford 9-inch axles with 31 spline axles is a high-performance mechanical positive-locking differential designed to enhance traction and durability in demanding off-road conditions. Constructed with a robust casing and advanced gear tooth design, it delivers 100% power to both wheels while allowing for disengagement during turns. Its patented design features larger radius inner clutch teeth, providing up to 350% greater strength compared to back-cut designs. This increased strength resists breakage from shock-loading and catastrophic axle failures, making it ideal for rock crawling, trail running, off-road racing, and drag racing. The Yukon Grizzly Locker offers serious mechanical engineering for serious driving environments, ensuring maximum performance and reliability.
Compatible with Ford 9-inch axles equipped with 31 splines, this locker is engineered for vehicles used in extreme off-road and racing applications. It is a direct replacement and upgrade for stock differentials, providing enhanced traction and durability. Suitable for various off-road and racing vehicles, it is designed for installation in 9-inch Ford axles, supporting demanding driving conditions. The kit includes the locker assembly, and installation requires standard mechanical skills. This product is ideal for off-road enthusiasts and racers seeking a tough, reliable differential solution for serious performance needs.
