73 401 short block with front cover, no oil pan or pick-up. Std. bore,factory pistons,72 AMC rod bearing on the one I checked. Balancer casting number goes to a 390(same for 401?).
3 pair of cylinder heads: 2 pair #502's, 1 pair 993(983?) with factory studs,rocker arms,pushrods,dual valve springs. Parts for cylinder were bought separate from head. Short block still assembled, turns over. $1,500. Bob