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Click on image for the lowdown. 
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| | | Forums66 Topics128,176 Posts1,057,122 Members48,463 | | 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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Mar 2004 Posts: 6,233 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 6,233 | They are not the same, you need the SM420 Bearing Retainer with casting number 591679 to convert a newer open drive shaft trans to the 1954 and back closed dive shaft. There are a couple on ePay now, just search "591679 bearing retainer". Mike B  | | |
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