Driveshaft Shop direct-fit right rear axle for the 2020 Mustang GT500 (only) is specified as a 2000HP-rated short inner axle (RA8559X6). Offered as a direct-fit replacement for that model year and application, it targets high-horsepower builds requiring a heavy-duty right rear axle designed to meet the power capacity identified in the product description.
Driveshaft Shop 2020 Mustang GT500 (Only) 2000HP Direct-Fit Right Rear Axle-Short Inner RA8559X6