Find your I-Beam and H-Beam connecting rods constructed of 4340 steel here. Small Block Chevy journal sizes 2.000" and 2.100", Big Block Chevy journal size 2.200", Small Block Mopar journal sizes 2.125" and 2.124", and Big Block Mopar journal size 2.375". Rod lengths available are 5.700", 6.000", 6.123", 6.135", 6.385', and 6.535". Use our filters to quickly narrow your search to find the right part for you.