Roush Performance
8.8 in. 4.56 Ring Gear and Pinion – Ford Racing 1986-2017 Ford Mustang

Ford Racing 8.8" Gear Sets No one does 8.8" gears better than Ford Racing -- stronger and quieter The 8.8" rear end has been the standard in performance since its introduction in the Ford Mustang since 1986 and Ford Racing is the manufacturer of choice when time to change your axle Made in the United States at Ford's Sterling Axle Plant (competitors primarily produce similar price range in China) Ford OEM standard quality - superior surface finish, hardening, and manufacturing consistency provide the strongest and quietest 8.8" Race Proven - Ford Racing 8.8" gears are the choice of championship road racing and drag racing teams Special Order, Please allow for longer than normal lead times.