The Eagle rotating assembly for Chevy 409 engines is a balanced crank-and-rod kit built as a rotating core for performance builds. It pairs a 4.000 in crank with 6.135 in H-beam rods and includes +.365 in dome pistons sized at 4.372 in, delivered as a balanced assembly suitable for engines that require a completed, matched rotating group.

Eagle Chevy 409 4.000in Crank 6.135in H-Beam +.365in Dome 4.372in Pistons Balanced Assembly