Reverse Lockout Shift Knob Adapter with a wide cup opening threaded to 12mm x 1.25. Black anodized finish. For use with Ford Focus, Ford Fiesta and 2015 and newer Ford Mustang vehicles with reverse lockout shifter applications. Installs beneath gear shift knob that has flush mounted threads and also serves as a jam nut.
Note: If you order a shift knob with the 12mm x 1.25 threads Recessed for the Mustang / Fiesta / Focus Reverse Lockout you do not need this adapter.