American Limited HO 9150 Operating Diaphragm for MDC Harriman Heavyweight Cars (1 Pair)

Operating passenger car diaphragms are accurate models of specific prototypes. Easy-to-build kits feature injection-molded plastic parts, in black or gray plastic. Sprung to hold together on curves down to 24" radius, no minimum radius limitation. Will not interfere with operation of most couplers. Single car set molded in black plastic. All kits include complete instructions.