The Eagle rotating assembly for Chevy 409 engines is a balanced crank-and-rod package supplied as a ready rotating core. It combines a 4.000 in crank, 6.135 in H-beam rods and +.365 in Edelbrock dome pistons at 4.342 in, delivered as a balanced assembly for use in restored or performance 409 engine builds where a matched rotating group is required.

Eagle Chevy 409 4.000in Crank 6.135in H-Beam +.365in Edelbrock Dome 4.342in Piston Balanced Assembly