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.

Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov