I have an short skid plate on 2 of my land Cruisers(71 FJ40, 74 FJ55) when was the longer skid plate used? I now have 3 short and one long.
Please have mercy on this non newb with a newb type question.

EDIT...
The longer skid plate has a long section on one side where the short does not
Please have mercy on this non newb with a newb type question.

EDIT...
The longer skid plate has a long section on one side where the short does not