QUICK-UK Single Throttle Arm OS & YS Engine(37-90 size)

A direct replacement for standard plastic arms on OS 37 - 90 and YS 60 - 90 motors.

M2 tapped control ball mounting points positioned at 7.5mm, 11mm and 14.5mm from centre

Machined from high grade light alloy and available in silver, black, blue, red and  purple.

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