Upgrade kit for V2 and V3 gearboxes. Works great with ZCI cylinders.
Includes:
- Aluminium nozzle with single o-ring (choose your length)
- Aluminium 6 vent piston head with bearing
- Aluminium cylinder head with padded bottom and dual o-rings
Upgrade kit for V2 and V3 gearboxes. Works great with ZCI cylinders.
Includes:
- Aluminium nozzle with single o-ring (choose your length)
- Aluminium 6 vent piston head with bearing
- Aluminium cylinder head with padded bottom and dual o-rings