Eagle rotating assembly described for Chevy LS3 calls out a 4.000" crank with a 58-tooth reluctor and 6.125" H-beam rods in the product description. With limited extended details available, this overview focuses on the rotating assembly purpose: a race-oriented LS3 rotating package intended for builds needing a specified crank, reluctor and H-beam rod combination.
Eagle Chevy LS3 4.000in Crank 58 Tth Reluctor 6.125in H-Beam -25cc 4.065in Pistons Rotating Assembly