I would ask what brand have you seen break?,I have run cat h-beams (about the cheapest rod out there on e-bay) in a ton of engines with no issues,alot of high end pontiacs run them,just have them honed and they are good to go.I have only heard of failures with eagle I beams where scats etc. seem to have a good rep,I have never ran an I-beam personally but have built a few successful engines with them.I will say there is not an h-beam on the market that would break in his engine.