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Kartboy Rear Diff Wedgelock (15-21 WRX, 15-21 STI)
SKU
kbyKB-003-Wedge
Kartboy's solution for the new rear subframe and rear differential lockdown system. Machined aluminum insert to lock in the rear diff bushing inserts. Four Carrier inserts to keep everyone happy. Stealth black so the AutoX protesters will never know. Install with hand tools in under an hour.
