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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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| | | | Joined: Nov 2021 Posts: 1,359 'Bolter | | 'Bolter Joined: Nov 2021 Posts: 1,359 | I tried looking at the GM numbers that were 9/16 thread from the chart (including the 5238559) but none of them cross referenced to anything current and I could not find their respective serration diameters.
I removed one of the existing (original) wheel studs and the serration OD is approx. 0.555. It seems that 9/16 threaded studs would not pass through the serration opening.
All of the 9/16 thread studs I can find are 0.625 to 0.655 serration OD so it appears if I am going to pursue this I may need to have the hubs bored slightly to accept a larger serration.
These things are never easy. | | |
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