Ford 8in Ring & Pinion 3.55 Ratio

The Ford 8in Ring & Pinion 3.55 Ratio by Motive Gear is a performance-grade differential gear set designed for street applications and some off-road use. This ring and pinion assembly is essential for controlling torque distribution and final drive characteristics in Ford 8-inch rear ends. It is an excellent choice for those looking to enhance the performance of classic muscle cars or daily drivers.

Manufactured from premium forged steel, this ring and pinion set features precision-cut spiral bevel gearing, ensuring reliable power transfer under load. The 3.55 gear ratio means the engine turns 3.55 times for every one revolution of the wheels, providing improved torque multiplication compared to stock ratios. This design minimizes driveline slack and enhances acceleration feel while maintaining acceptable cruising RPM for highway driving.

Enthusiasts upgrading vintage Mustangs, Fairlanes, Rangers, and other Ford platforms will find this assembly beneficial. Its straightforward installation makes it suitable for experienced mechanics or professional shops equipped with the necessary differential service tools. The assembly weighs 13.06 pounds and fits standard Ford 8-inch housings, ensuring compatibility with a range of applications.