I remember selling these in the 70's for $79.95 I wish I would have invested in these instead of stocks. https://www.facebook.com/commerce/listing/2119976528186685/?media_id=0&ref=share_attachment
You don't want to know what I ended up paying for this NOS complete kit for a T85-R11 Overdrive Hurst Syncroloc shifter... Hurst Syncro Lock Shifter for T85 R11 by danman55 posted Jul 8, 2021 at 6:53 AM Hurst Syncro Lock Shifter Bracket hardware for T85 R11 by danman55 posted Jul 8, 2021 at 6:53 AM Ended up being $500... I sold three intakes to make up the difference.
The Jalopy Journal
