Toad,
Is it the shims or the bushings that the shift rods go into ? I dont think I have ever seen one of those shifters actually worn out, but there is always a first time.
Hurst does offer a rebuild service, but I dont know how much it is. You may want to try and call tem.
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Bill Koustenis
Advanced Automotive Machine
Waldorf Md
1971 Heavy Chevy - original owner
Team Chevelle #100