AMS Extended Carbon Fiber Weighted Shift Knob for WRX/STi 6-Speed BC Racing The system showcases quad 4

The system showcases quad 4

(Not compatible with Evo 4/5/6)

-10AN Bung

(1) OEM Turbo to O2 Housing Gasket (1555A289)

AMS Extended Carbon Fiber Weighted Shift Knob for WRX/STi 6-Speed BC Racing The system showcases quad 4The AMS Performance WRX STi carbon fiber extended shift knob extends the length of the shifter which aids in shifting throw and keeps the knob closer to the driver's hands while road racing. The AMS Performance Weighted Carbon Fiber Shift Knob is designed with a 40mm increased height for an easy grip, and a 51% increase in overall weight, allowing for quicker and more precise gear changes. Vehicle Fitment: 2004 2007 Subaru STi (GD) 2008 2014 Subaru