Manufacturer Description

This is an optional Metal main rotor housing set for the Align 450SE/V2 line of helicopters. It accomodates the larger 4mm feathering shaft for a more rigid main rotor head system. The Main rotor housing mounts to the main shaft and supports the feathering shaft and head stopper.
Package includes:

(1) metal head stopper
(1) blue anodized metal main rotor housing
(4) 4x6.5x2mm 'O'-Rings
(2) 1.5x18.7mm pins
(1) 2x12mm screw
(1) 2x6mm screw
(1) 2mm nut.