EPMAN M12X1.25 Aluminum Shift Knob Boot Retainer / Adapter For Most Mitsubishi Mazda Nissan Gear Shift Black Made from aircraft grade billet aluminum, these Mustang shift boot adapters clean up the transition between any aftermarket shift knob and your OEM shift boot. Keep your shift lever looking clean with this piece. Does NOT fit "2010+ Shelby GT500" or Mustangs with "401a interior". Check our other items for boot adapters to fit other Mustangs Designed to work specifically with ALL Our store shift knobs.