Steeda Differential Bushing Insert System Solid Aluminum Mustang GT/ EcoBoost 2015-2023

Improve your 2015-2023 GT or EcoBoost Mustang's performance on the strip with this Solid Aluminum Differential Bushing Insert System (555-4440) from Steeda! Designed and engineered for hardcore racers, this kit will eliminate pinion angle changes, wheel hop, and differential deflection, as well as increase traction. Steeda's race kit is made in-house from billet 6061 aluminum. It provides the strength and support that the OEM bushings need to meet race and performance needs, and it's designed to withstand the abuse seen racing down the 1/4 mile.

Features and Benefits:
- Limits IRS Differential Movement 
- Increases Traction
- Eliminates Wheel Hop
- Designed to Meet Racing Needs
- Adjustable and Easy to Remove
- Completely Designed and Made in the USA
- Quick and Easy Installation

The kit is not a permanent modification, meaning it's easy to install and easy to remove. This kit includes aluminum bushings for the front and rear differential mounting locations. For convenience, grade 10.9 hardware is packaged inside this kit, along with zinc-plated washers!

Vehicle Fitment:
- 2015-2023 EcoBoost Mustang
- 2015-2023 GT Mustang

Tech Tip: This is a race-only part. It will increase NVH and gear noise. For street and competition use try 5554439 with urethane bushings.

Please Note: This Solid Aluminum Differential Bushing Insert System is NOT designed for use with 2015-2020 Shelby GT350 and GT350R or 2021+ Mach-1 Mustangs.