2005-Newer Ford Mustang Jam Nut Shifter Boot Retainer/Adapters 

• Can be used with any of our threaded shift knobs plus a 12mm x 1.25 Master Insert. This allows the factory shift boot from your Mustang 2005-2012 to be re-attached to the shift knob for a clean factory appearance.
• Alos for stock shifters in 2007 - 2009 Shelby Mustangs™ - Does not fit "2010+" Shelbys or mustangs with 401a interior.