well billet steel cap big m 9.800 deck with arp main studs . diamond dome pistons 4.500 bore with total seal classic rings. H beam rods ARP bolts.4340 4.375 crank = 556 cid . king bearing s main and rods .dura-bond hp cam bearings short block at one hell of a deal . you can not buy the crank/ rods and the block for what i can sell it for