Differentials
Rye Valley Gear is an authorized dealer for Dana-Spicer and Auburn Gear differentials.
We stock differential components for:
- AMC
- Chrysler
- Dana
- Ford
- GM
- Toyota
We also offer all differential components (click category to shop online):
- Ring Gear and Pinion Sets
- Installation Kits
- Positive Traction Units (Positractions) and Lockers

- Differential Cases
- Internal Parts Kits (Spider Gear Kits)
- Pinion Yokes
- Pinion Shims
- Carrier Shims
- Crush Sleeves
- Pinion Seals
- Pinion Nuts
- Ring Gear Bolt Sets
** We also carry cover gaskets.
Auburn Gear
- Our Auburn Gear units offer you more torque bias performance than any other limited slip differential available in the industry. This means more driving force and therefore more horsepower to the ground.

- As you can see, the Auburn Pro is the clear-cut performance leader in the industry with the Auburn High Performance Series taking the close second.
- ECTED by Auburn Gear- ECTED stands for Electronically Controlled Traction Enhancing Differential. ECTED provides the user with a selectable limited slip or locker mode. When selected 'Off', the ECTED functions as a performance limited slip differential for on- and off-road excitement. When selected 'On', the ECTED becomes a locker or spool which is ideal for the quarter-mile or the nastiest off-road terrain.

- ECTED is made from aircraft quality material and is highly resilient. It can be switched on or off at any road speed and has no shift forks or pins that must be lined up to obtain locker/spool mode. It is quiet, so you no longer have to worry about noisy lockers. ECTED can be provided with a wireless switch. It is backed by an industry-leading one-year warranty, just like all Auburn Gear Performance Differentials. ECTED is backed by the industry-exclusive D-REX (Differential-Replacement Exchange) program. ECTED can be used in front axle applications, with or without lockout hubs. In the product configurations offered, ECTED is the only selectable locker that offers both limited slip and locker modes. Forget the rest, go with the best!

- Let Rye Valley Gear hook you up with a Road Race Performance Differential from Auburn Gear! This performance limited slip differential was developed specifically for road racing; it is a differential case designed to allow the center pin to float along with the axle shafts. This design feature aids the driver when cornering, so that when the driver is turning, the outside wheel axle shaft will apply a force to the center pin. The pinion gears will therefore firmly seat the inside cone/side gear assembly, giving the racer an extremely “tight” rear axle. The greater the G-force, the more bite you get! If you are an avid road racer, you will want this unit.

Rye Valley Gear also offers a variety of complete differential units.