Eagle rotating assembly for Chevy LS lists a 4.000" crank, 58-tooth reluctor and 6.125" H-beam rods with 4.000" pistons noted in the description. Source material is concise, so this overview describes the item as a rotating assembly intended to serve LS applications that require the specified crank stroke, reluctor configuration and H-beam rod combination.
Eagle Chevy LS 4.000in Crank 58 Tth Reluctor 6.125in H-Beam -14cc 4.000in Pistons Rotating Assembly