dart SHP sbf 8.200 new block can be short blocked it will come as a 352CID with a forged crank 3.250. H beam rods 5400.forged pistons your choice of a dish or flat tops bore 4.155.BBC 496 short block scat cast steel crank .scat I beam rods 7/16 threw bolt . speed pro small dome hyper pistons. hasting moly rings mich 77 bearings durabond cam bearing . comes with new stock dammper and HD flex plate.brass frost plugs older mark 4 block two bolt main deck .bored / honed with deck plates PM me for more info