




Short Shifter Bushing Combo | Subaru STI (2002-2021)
Bring back that crisp, mechanical shift feel your WRX had when it was new. The Kartboy Short Shifter and Bushing Combo is the go-to fix for sloppy, vague shifts caused by worn-out factory bushings and excessive throw.
This setup includes a CNC-machined short shifter that reduces throw by up to 40%, along with front and rear bushings made from high-durometer polyurethane to tighten up both front-to-back and side-to-side movement. It’s one of the most noticeable upgrades you can make to your drivetrain without opening up the transmission.
Kit Includes: KB-001-LEG, KB-003, KB-003-REAR
Fitment: Subaru STI (2002-2021)
Pairs well with
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Short Shifter Bushing Combo | Subaru STI (2002-2021)

Built by Die-Hards, Trusted by Legends
For over 25 years, Kartboy has supplied performance drivetrain and suspension components trusted by Subaru owners - from street builds to some of the most capable drivers in the sport.