Taking performance to new heights means adding quality parts and AmericanMuscle stocks the latest technology in Mustang gears for your rear end needs. Upgrade your older Fox Body - 5.0 - LX - GT and Cobra gears with kits from Motive and Ford Racing FRRP. Choose from accessories including bearing kits - speed calibrators - gear oil and more. We also stock Eaton limited slip differentials and GMS rear end girdle systems. Improve the wheel and driving performance on your 1987 - 1988 - 1989 - 1990 - 1991 - 1992 or 1993 model car. Our gear kits come included in our Free Shipping plan. Have your new gears delivered today!