409 Big Block Engine. It comes with a 2-4 barrel 409 aluminum manifold. Off a Impala or Bel Aire 1963-1965. 384442 casting on block with denotes the '409' big block. Has the cylinder heads, single manifold, original, exhaust manifold, and bell housing water pump, pulley and fan. Have pictures of most of, if not all numbers on motor.
