Universal Billet Shift Knob Adapter and Boot Collar M12x1.25

Make Most Any Gear Shift Lever an M12x1.25 Thread Pitch Or Simply Add Some Extra Height To Your Shifter

For shift knobs with M12x1.25 thread

For Gear shifters with a diameter of 8mm, 10mm, and 12mm

May also fit other non threaded shifters