[hurryinhoosier62]

Originally Posted by scott70

I actually found some pics from like 6 years ago when the engine was apart . I don’t see any markings on the rods but in one pic I can see arp on the bolt head. Should be ok for what I do? Obviously they’ve hung in there since 2012 but I was just thinking if it really should have a better rod? Maybe not? I just don’t know what they really are as far as quality.

Those resemble the 5140 alloy rods Ace sold. He also sold 4340 rods but they were “H” beams. As many have already said, replace the bolts and have the rods reconditioned. I would add to have the rods magnafluxed as well.