Aluminium double-sealed cylidnra v3 head (AK)

Made from Aluminium 6 series, silenced cylinder head.

Fits V2 and V3 gearboxes, has a double thickened O-ring which significantly affects the sealing with the cylinder. 

For maintaining the correct AirFlow, a piston head with a flat disc with valves placed close to the centre of the head is recommended.

Specification of the head:

- Base diameter 23.55 -23.58 mm.

- Base diameter + O-ring  24.35 mm.

- Nozzle guide length 17.0 mm.

- Outer diameter. Nozzle guide 5.30 mm.

**Please note that the data shown above is based on measurements on one piece and may be skewed by the manufacturer's CNC machine tolerances.