Torque Solution Solid Billet Positive Shift KitTorque Solution Solid Billet Positive Shift Kit Applications: Subaru WRX 02+ STi 04+ Torque Solution Solid Billet Positive Shift Kit replaces the soft OEM rubber bushings on the transmission cross member. Made from CNC'd 6061 billet aluminum which eliminates any movement in the cross member under load. Less movement = more instant power transfer. This kit fits most Subaru 5 Speed 6 Speed 2002+ manual transmissions. CNC'd 6061 Billet Aluminum Black