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Mod | | | Forums66 Topics128,074 Posts1,055,913 Members48,429 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Aug 2017 Posts: 11 'Bolter | | 'Bolter Joined: Aug 2017 Posts: 11 | The bullet is the adapter part that goes into the transmission housing that you hook the speedometer cable into. Sorry I was not clear. It is a newer version that holds the driven gear. I also saw on eBay (I think) an SM 420 driven gear housing that appeared to have a plastic gear instead of the old metal gear.
IF that is possible I could replace the drive gear and driven gear. I currently have a 4 tooth drive gear and a 13 tooth driven gear that is a bit too slow. So I either change the gears or get an adapter to speed it up.
Last edited by Saluki; 12/16/2019 5:17 PM.
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