Block was just done at Meyers in ness city. It's been bored 30 over all the crank journals rods and mains are standard still. Rotating assembly was balanced comes with balance paperwork. Ross and crank are stock pistons are hypereutectic speed pro Pistons. Has billet girdle on bottom end. New oil pump summit balancer and flex plate that were used to balance. And gasket set. Only selling because we went with a striker motor that was already built.