WiiTech - 7mm V2 Gearbox Shell combo- M4 AEGs - 01001

Description

7mm bearing gearboxes are designed for high speed
Gearboxes can increase about 10% power output.
Package includes:
7mm V2 Gearbox shells
6pcs of 8mm bearing
1pc Cylinder head
1pc  airnozzle
1 set of gearbox screws
1pc tappet plate
1 set of safety cover
1pc selector plate