I'm using some of Ohio Crankshaft's heavy duty i-beams in my big block. Very nice rods and needed no extra work.

2013 NHRA D4 Stock Champ
#4 in the World IHRA Stock
2x IHRA Div.4 Stock Champ
14x Track Champ
All using a Ultimate Converter Concepts converter. Call Lenny today 704-892-6837