Eagle balanced rotating assembly for Chevy 409 applications supplies matched rotating parts for engine builds. It pairs a 4.000-inch crank and 6.135-inch I‑beam rods with 4.380-inch pistons bearing an 89.1cc dome, delivered as a balanced assembly. The specification-oriented description helps engine builders check internal dimensions and compatibility during short‑block assembly.

Eagle Chevy 409 4.000in Crank 6.135in I-Beam Rods 89.1cc Dome 4.380in Pistons Balanced Assembly