632 shortblock. just add all your accessories and go. this combo consist of merlin IV block, 4340 callies 4.750 crank, callies h-beam rods w/arp bolts, ross dome pistons, plasma moly rings, hp bearings, brass freeze plugs, rear main seal, it is square decked, bored and finish honed, prepped, and assembled for just $7395.00--- call andy or Ronnie 336-476-5410