231XP-TK1 Tune-up Kit . Used On Ingersoll-Rand Models 231, 231H, 231C, 231XP. The kit contains: Rotor Vanes, Bearing Retainer, Bearings, Hammer Case Gasket, End Plate Gasket, Socket Retainer, Retainer O-Ring, Reverse Valve Detent Ball, Reverse Valve Detent Spring, Reverse Valve Bushing Seal, Throttle Valve, Throttle Valve Spring and Throttle Valve Seat.
Century Tool & Equipment is in no way affiliated with the above manufacturers. The parts advertised for sale are not always genuine parts, but are parts made for or by Century Tool & Equipment. Reference to said numbers are for your convenience only. We reserve the right to substitute genuine parts in place of Century Tool & Equipment parts.