Roush 2015-2023 Ford Mustang 2.3L/3.7L/5.0L Steering Stops

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  • Manufacturer Part Number: 421970
  • $42.99
    Unit price per 


  • WARNING: This product may contain chemicals known to the State of California to cause cancer or birth defects. PROP65 INFO
Install this steering stop kit (manufactured in Michigan) in your Mustang to prevent upsized wheel and tire combinations from rubbing. This is the same kit installed on all ROUSH Mustangs. The kit limits steering rack travel to prevent the front tires from rubbing at higher steering angles.

This Part Fits:

Year Make Model Submodel
2019 Ford Mustang Bullitt
2015-2023 Ford Mustang EcoBoost
2015-2019,2022-2023 Ford Mustang EcoBoost Premium
2015-2023 Ford Mustang GT
2015 Ford Mustang GT 50 Years Limited Edition
2015-2019,2022-2023 Ford Mustang GT Premium
2022-2023 Ford Mustang Mach 1
2022 Ford Mustang Shelby GT500
2015-2017 Ford Mustang V6