https://www.summitracing.com/parts/msr-8050 Could you trim these down to fit??? The knurled is slightly larger for a good tight fit Or drill the stud hole and use something like these. Arp has a very specific fitment and under head chamfer specs 100-7726 from arp
Trying not to go any larger on the knurl as I've got to machine the hubs down 5/16 to get them to go inside the ls1 rotors,..will probably crack on me The front hubs are a larger knurl like .564 or something
https://www.sae-speed.com/products/1964-72-chevy-chevelle-el-camino-roller-bearing-hub-upgrade-kit Problem solved