Air Set Cylinder with holes and piston/cylinder head AirsoftPro, suitable for better sealing and increase power.

The package includes:
- Aluminum cylinder suitable for internal barrel less than 370mm
- Aluminum piston head with bearing
- Aluminum cylinder head
- Spare Oring
- Silicone Vaseline tube.

To make a proper sealing upgrade, you must also purchase a suitable air nozzle.
Apply a thin layer of grease on all moving parts to reduce friction and improve sealing.

NOTE! Depending on the lot, the color may differ red / blue.