OS Engine Piston Pin Retainer 12TR, .18 CV-R (2 pcs)
Item No: 21817000 - RC Engine Part
OS Engine Piston Pin Retainer 12TR, .18 CV-R (2 pieces)
This is a set of two replacement O.S. Piston Pin Retainer Clips. These clips are used to retain the wrist pin inside the piston, which secures the piston to the connecting rod. If you ever remove the clips during engine maintenance, the clips can become damaged. It is recommended that you replace them with new clips to prevent possible failure caused by used clips.
This Part Is Compatible With The Following O.S. Engines