Did some fitting of the track system to the truck box. Using 3/8 x 16 rivnuts . Installed the top one the adjusted the track.
Also made some plastic washers / spacers for the lift trucks. This will keep in centered in the track, this is also where the pulley rides.
Also test fit the plastic track guide's . This is UHMW plastic also used for the washers.
And ran into one problem with the track. Same number but not the same size. One is just a little tighter by .035". So I needed to trim the pins again. The other track,no problem. ???