Kartboy Rear Diff/Carrier Wedge Lock Bushings - 2015-2021 WRX/STI
SKU: KB-003-WEDGE$100.00
Starting at $10/mo with Affirm. See if you qualify
The Kartboy Rear Differential Carrier Wedge Lock System has been designed to provide more reinforcement to the rear differential which adds a better feel, and more stability to the rear differential 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.
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What a difference
For the price this is well worth the purchase. Makes my 20’ STI so much more enjoyable to shift. It eliminates the sometimes rough chassis transition from 1st gear to 2nd gear.
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