NOS fitted block from GM Pistons/ rings are fitted Main bearings Cam Bearings Frostplugs here it is on ebay and it comes with a bunch of nos parts https://www.ebay.com/itm/283388130367 283 Fitted block - Has main and cam bearings, Frost plugs, pistons and rings in factory crate 1 Pair power Pak heads 1 set of intake valves 1 set of exhaust valves 1 set of rocker arms 1 oil pump 1 oil pickup tube 1 Forged crankshaft 1 Distributor with cap 1 2 BBL intake 1 Fuel pump 1 Fuel line from pump to carb for 2BBL 1 Crankcase internal vent ***y 1 Oil Fill tube for intake manifold 1 Throttle return spring 1 Crank Hub 1 Crank Pulley 1 Waterpump Pulley 1 Fan Blade 4 Fin 1 Valve Grind gasket set (Includes intake gaskets, valve cover and head) 1 Set Rubber Valve cover gaskets 1 Timing cover gasket 1 Oil pan gasket set 1 Coil Bracket 1 Coil 1 10.5" Flywheel These are all NOS parts. You will still need to get a few more, but this is the lions share needed to ***emble this engine. Nothing fits better than production line GM parts