Cobb 5MT Stage 1+ Drivetrain Package (White / Stealth Black) - Subaru WRX 2002-2007 (w/ Factory Short Shift)The Stage 1+ Drivetrain Package Includes: Subaru 5 Speed Front Shifter Bushing; Subaru Rear Shifter Bushing; 5 Speed Double Adjustable Short Throw Shifter; and WRX Shift Knob. If your shifter fork width is 1. 155" (inches), you will need the Narrow Barrel Shifter. If your shifter fork width is 1. 435" (inches), you will need the Wide Barrel Shifter, or the TALL Wide Barrel Shifter. WHY? Are you looking to modify your transmission components? Why not