2011-14 Ford Mustang Chrome Billet 6-Speed Shift Knob w/Retainer - Blue Pattern 2011-14 Ford Mustang Chrome Billet 6-Speed Shift Knob with Shift Boot Retainer - Blue Pattern CNC machined from lightweight 6061 T6 billet aluminum Easy Install, threads directly to handle for a nice secure fit. Fits 2011-2014 Manual Mustangs w/stock handle (except 13-14 GT500) or Mustangs with a 12mm x 1.25 thread pattern shift handle. Show Chrome Triple Plated Finish