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The studs supplied with the World blocks are absolute garbage. I recently had the same issue with several World iron blocks, and not the first one by any means. I could not get a good torque reading, and at first, it actually felt like it was the threads pulling out of the mains. After some testing, I actually set up a height micropmeter to see if indeeed if was what I had susepcted.The " World" studs ( which look like a turned stud, and not a rolled thread) stretched to about .007 , some a bit more! Thats a 1/2" supposed 220,000# stud! THEY ARE CRAP!

I changed all the studs out for ARP, including side studs and problem solved. There were several things that World could have done much better, thats for sure, and to sell those blocks with those absolutely horrible fasteners is a shame.

ARP makes a kit to change them out now.

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