this is a 4 bolt main LONG-BLOCK,not a complete engine people,here is the wiki definition of a long-block engine.....

LONG BLOCK ENGINES HAVE THE FOLLOWING INCLUDED.

BLOCK, CRANKSHAFT, PISTONS, RINGS, MAIN BEARINGS, ROD BEARINGS, CAM BEARINGS, CAMSHAFT, TIMING CHAIN, SPROCKETS, LIFTERS, PUSH RODS, ROCKER ARMS, CYLINDER HEADS, OIL PUMP, OIL SCREEN, AND GASKET SET. THIS WILL ALSO REQUIRE A SKILLED ENGINE SPECIALIST, AND HOURS OF TIME CLEANING THE FOLLOWING PARTS THAT YOU TAKE OFF YOUR OLD ENGINE TO REUSE ON YOUR NEW ENGINE, SUCH AS OIL PAN, TIMING COVER, VALVE COVERS, INTAKE MANIFOLD, CARBURETOR, WATER PUMP DISTRIBUTOR, ALL IGNITION COMPONENTS, IT WILL REQUIRE MANY HOURS OF CLEANING AND ASSEMBLY.

the engine has been wrapped in plastic,how-ever as you see from the pics there is surface rust,the piston walls are well oiled and have no rust the engine will run as new....it is just outer surface rust.