interesting. i've also often wondered where material is removed from the newer style rods for balancing as there is no pad at either end like an oem rod. as you can probably tell i'm still in the dark ages using the orig. LY rods and std orig cast pistons in what is probably a horribly out of round barrel shaped bore. but i digress, so to balance an h beam material is removed from the area that the bolt head on an ly rod would be? btw i'm still not sure how a cap screw is stronger than a nut on a rod bolt but maybe i'm just