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1979-93 Mustang Parts
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LMR showroom & will call pickup service will be closed beginning Monday 9/21/26 for renovations until further notice. Need help? Contact Us.

1979-1993 Fox Body Mustang Traction Lock / Differential

Tired of one-wheel burnouts in your 1979–1993 Fox Body Mustang? Upgrade to a 31-spline Traction-Lok or rebuild your OEM diff with Yukon or Ford Performance kits for better grip and power on 7.5" or 8.8" rear ends from LMR!

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1979-93 Mustang Differential Covers

1979-93 Mustang Rear Differential Carrier Hardware

1979-93 Mustang Differential Tech Guides

How To Install Mustang Differential Cover 7:20

How To Install Mustang Differential Cover

Replace your grime-covered factory differential with our SVE differential cover! Our article and video will give you every step to make this install seamless!

Mustang Rear End Gear Ratios & Axle Info 8:28

Mustang Rear End Gear Ratios & Axle Info

The Mustang rear end gear ratios were offered with many options. Check out our easy to use guide to find out what your Mustang came with from the factory!

How To Determine Rear Axle Ratio In Your Mustang

How To Determine Rear Axle Ratio In Your Mustang

The Mustang rear end has varied throughout the years. To better know these changes, check out LMR's guide on How To Determine A Mustang's Rear Axle Ratio.

1979-1993 Fox Body Ford Mustang Fluid Capacity

1979-1993 Fox Body Ford Mustang Fluid Capacity

Looking for the fluid capacities for your 1979-1993 Mustang? Check out LMR's quick and easy Fox Body fluid capacity guide to get your Mustang maintained!

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1979-1993 Fox Body Mustang Traction Lock & Differential

Are you tired of doing a one-wheel burnout or want to beef up your rear end in your 1979-1993 Mustang? Get both wheels spinning with a new traction-lok differential. Ford Performance offers the same 31 spline differential found in 2003-04 Cobras and 2007-2014 Shelby GT500s. This is the perfect upgrade for a higher horsepower Fox Body needing to help plant more power to the ground. Need a more economical solution that won't break the bank? Rebuild your OEM unit with Yukon and Ford Performances' Traction-lok rebuild kits for both 8.8" and 7.5" rear ends. Each kit includes all of the friction discs, shims, and cross-pin bolts you need to rebuild your differential stronger than it was before.

Are you unsure of what rear end is currently in your Mustang? Check out our Mustang Rear End Gear Ratio & Axle Guide. This informative article covers everything you need to know for any 1979-1993 Fox Mustang. This breaks down everything from 7.5" and 8.8" differences, factory gearing, axle options, and much more! LMR.com also carries a full line of high-performance rear-end differential covers and girdles. These not only add updated styling under your ride but also provide added strength and cooling benefits for your rear diff.