O.S. Piston Pin (21XZ-R)
![O.S. Piston Pin (21XZ-R) O.S. Piston Pin (21XZ-R)](https://rcworld.com.my/v2/image/cache/catalog/All%20Product/Accessories/os%20speed/PIN-800x800w.png)
![O.S. Piston Pin (21XZ-R) O.S. Piston Pin (21XZ-R)](https://rcworld.com.my/v2/image/cache/catalog/All%20Product/Accessories/os%20speed/PIN%20A-800x800w.png)
![O.S. Piston Pin (21XZ-R) O.S. Piston Pin (21XZ-R)](https://rcworld.com.my/v2/image/cache/catalog/All%20Product/Accessories/os%20speed/PIN-120x120w.png)
![O.S. Piston Pin (21XZ-R) O.S. Piston Pin (21XZ-R)](https://rcworld.com.my/v2/image/cache/catalog/All%20Product/Accessories/os%20speed/PIN%20A-120x120w.png)
Tags:
Piston Pin
Description
This is a replacement O.S. Piston Pin, and is intended for use with the O.S. .21 XZ-B and XZ-R engines.