1966 Mustang Differentials


At CJ Pony Parts, we have the 1966 Mustang differentials you’re looking for. From a set of Currie Differential Springs for Mustangs to the Currie 8" 28-Spline Detroit TrueTrac Differential for all 1965 through 1973 Mustangs, we have the parts that will make your ride perform beautifully in the city, on the highway or on the track. Our catalog has just about any 1966 Mustang Differentials you need for your pony — and all at everyday low pricing. Save even more with our free, same-day shipping! With CJ Pony Parts, you can get the job done for less.

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1966 Differentials

Currie 8" 28 Spline Detroit TrueTrac Differential

The Currie 8" 28-Spline Detroit TrueTrac Differential for all 1965 through 1973 Mustangs is designed to help your Mustang keep its power and grip. To be sure your rear wheels get the most power around, Currie's 8" 28-Spline Detroit TrueTrac Differential is the product for you. This is the ultimate upgrade for your classic pony, designed to push that pedal to the metal and take off smoothly.

This differential kit:

• Has steel carrier construction.
• Is designed to fit a rear end of 8".
• Uses worm gear style posi-traction.
• Transfers 100% of torque to every rear drive wheel at the same time.
• Keeps both wheels in a constant drive mode.
• Features absolute limited slip.
• Allows wheel speed adjustment on the fly.

Crafted from heavy-duty steel carrier construction, the worm gear style posi-traction will help you achieve limited slip while maximizing the amount of traction. It’s designed to keep both rear wheels in a constant drive mode and allow the wheel speed to be automatically adjusted while you’re cruising.

The Currie 8" 28-Spline TrueTrac Differential is just one product to upgrade your 1966 Mustang differentials.

Try a set of Currie Differential Springs for Mustangs with an 8" or 9" rear end to pre-load axle gears and allow both axles to rotate under proper conditions.

We stock many differentials and covers, axle assemblies, bearings, seals and more — all manufactured by top industry brands and ready to order.

Place Your Order Today for Free, Same-day Shipping

Get all the 1966 Mustang differentials your ride requires at CJ Pony Parts — at amazing prices. We offer free ground shipping throughout the contiguous U.S., with no minimum order necessary. All orders that are in-stock and placed by 5PM EST Monday through Friday will ship the same day, so you’ll get what you need quickly. Visit us today!

Not the year you are looking for? Check out these years: 1964, 1965, 1967, 1968, 1970, 1971, 1972, or 1973 for additional options.