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Click on image for the lowdown. 
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| | | Forums66 Topics128,108 Posts1,056,239 Members48,437 | | 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: Nov 2021 Posts: 1,382 'Bolter | | 'Bolter Joined: Nov 2021 Posts: 1,382 | I suspect the integrated washer is the original reason for those bolts and a standard head bolt with a flat washer provides the same performance but isn't considered original. | | |
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