The Eagle rotating assembly for Chevrolet LS3 with a 4.125" crank is intended for racing applications. It combines a 4.125" crank with a 24-tooth reluctor and 6.125" H-beam rods, paired to 4.065" pistons. The assembled internals provide a reinforced rotating package suitable for high-RPM operation and for engines prepared for nitrous or forced-induction where reliable components are critical.
Eagle Chevy LS3 4.125in Crank 24 Tth Reluctor 6.125in H-Beam 4.065in Pistons Rotating Assembly