Available Combinations for the Chevrolet 350 base are 350, 383, and 408 in the conventional 4.000 bore block. Crankshafts are either Cast Steel or 4340 Forged Steel. Crankshaft models are 1 or 2 Piece Rear Main Seal and a Late Model LT5 version is also available. As always Custom Combinations are no problem.
