Shift Lever Pivot Pin Grease Zerk Fitting (standard thread)
Fits 50-66 M38, M38A1 with dana 18 transfer case

Shift Lever Pivot Pin Lubricating Fitting (1 required per vehicle)

Proper greasable zerk fitting used on your orignal twin stick D18 transfercase pivot pin. Screws into the end of your pin.

Measurements:
45 degree zerk fitting.

Fits:
50-52 M38
52-66 M38A1

Note:
Aftermarket A972 pivot pins take zerk fitting part number: 638335 which is metric