2004-06 GTO MT Shift Knob M6 2004-2006 Pontiac GTO Manual Shifter Knob. Reproduction. Finally! A replacement factory knob is available. This factory style knob will fit all stock shifters and aftermarket handles with the stock specifications. Replace your worn or missing shift... MSRP: Was: Price: Now: $109.00 - $119.00 Quick view View Options