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Coupon Code Boost5 at checkout

Due to an increase in sales volume and demand, please allow some extra time for items to ship and please inquire about inventory if it is not directly listed on the product.

Financing available for as low as 0%.

We're open and shipping!

Coupon Code Boost5 at checkout

Due to an increase in sales volume and demand, please allow some extra time for items to ship and please inquire about inventory if it is not directly listed on the product.

Financing available for as low as 0%.

Kartboy Rear Diff/Carrier Wedge Lock Bushings - 15-20 WRX/STI

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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