My experience is mainly with the B&B set up. Is that what clutch set you have?
You need to determine what you actually have.
As I understand, you should have a 130 tooth flywheel and 10.95" (scalloped) Borg & Beck (picture below) style clutch setup along with the cast aluminum bell housing for the stock major components.
Brewers or Passion (online) can aid in identifying other correct parts for you. These include, release bearing, clutch fork, fork pivot, clutch adjustment rod set, bell housing and frame pivot balls and bushings, bell crank, and clutch rod.
If your components are all correct you need to find why you lost the adjustment window. A couple items may include incorrect positioning of the engine / trans assembly, loose mounts, bent fork pivot, or even one tip of the fork not engaging the release bearing pad (and it always seems to be the top side BTW). This last item can happen easily as the trans is installed if the release bearing turns on you.
www.brewersperformance.com/4speed.php
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