The Eagle rotating assembly for Chevy 409 engines is a balanced eight-cylinder crank-and-rod package intended for high-performance use. It features a 4.000 in crank matched to 6.135 in H-beam rods and includes +.365 in dome pistons at 4.342 in stroke dimension in a completed balanced assembly, providing a ready rotating core for custom or restored 409 applications.

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