Wanted: 5 ½” piston for my 1928 Ahrens-Fox piston pumper. Also need 1 intake and 1 exhaust valve for same. Would accept new or used if in good condition. Does anyone know of an acceptable substitute for this piston? Any leads to who I may call would also help. Any help would be greatly appreciated. Please email Help me get ex-Cincinnati Engine 9, the last piston pumper purchased by Cincinnati back on the road.