Kartboy Rear Diff Wedge Lock Kit Subaru 2015-2025 WRX / STI

The Kartboy Rear Differential Carrier Wedge Lock Systrem has been designed to provide more reinforcement to the rear differential which adds a better feel, and more stability to the rear differntial under harsh driving conditions. This kit includes 4 machined aluminum inserts to lock in the rear differential bushing inserts, as well as 4 Carrier inserts, all in a black finish.

Features:
- Location = Rear Differential / Differential Support
- Reuses OEM Hardware
- Polyurethane
- Sold as a Kit
- Cutaway part to show how it "LOCKS-IN"

Applications:
2015-2021 Subaru WRX
2015-2021 Subaru STI
2022-2025 Subaru WRX