oK, measured mine overall, also the 1-3/4" of original roller. Mine came from Tamraz's years ago, black roller.
It's part of the AMD W-033 window kit, was available as one lot or separate pieces.
https://www.carid.com/auto-metal-dir...mpn-w-033.html
W-022 is the rear roller each.
https://www.summitracing.com/parts/amd-w-022