Upgrade your vehicle's differential with the Allstar Performance Ring and Pinion kit. Designed specifically for the Ford 9-inch differential, this kit features a 5.43 ratio and 28 spline pinion, ensuring optimal performance and durability. With dimensions of 14.9 x 11.2 x 5.2 inches, it's built to fit seamlessly into your drivetrain setup, enhancing power transfer and efficiency. Ideal for racing enthusiasts and high-performance applications.