Kartboy 04-21 Subaru STi 6-Speed Solid Shift Joint - KB-001-01005

The Kartboy KB-001-01005 6-speed solid shift joint is made for a 2004-2021 Subaru STi 6 speed transmission. This solid shift joint eliminates excessive side to side shifter movement and provides precise shifting. The factory linkage in the STI 6-speed drivetrain was designed with comfort and vibration isolation in mind, but over time that rubber-isolated joint can introduce excess play and a disconnected feeling during shifts, especially during aggressive driving in a very legal manner or fast gear changes getting safely up to speed to merge on the highway.

The OEM setup uses a rubber-isolated joint that wears over time and absorbs shift input instead of transferring it directly to the transmission. The Kartboy solid shift joint replaces that factory assembly with a precision machined solid connection for a more direct and consistent gear change.

This kit was engineered from a scratch with a clean-sheet design. The Kartboy solid shift joint features solid stainless machined center cross tubes, press-fit bronze bushings, and precision machined stainless crush tubes for a bind-free design while still allowing proper bolt torque - this is a component built to last.

This is the perfect upgrade when installing a short shifter, refreshing worn linkage components, or tightening up the overall feel of an aging Subaru STi 6-speed drivetrain.