Cobb 5MT Stage 1+ Drivetrain Package w/ Wide Barrel Shifter (White / Stealth Black) - Subaru WRX 2002-2007The Stage 1+ Drivetrain Package Includes: Subaru 5 Speed Front Shifter Bushing; Subaru Rear Shifter Bushing; 5 Speed Double Adjustable Short Throw Shifter; COBB 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