Originally Posted by TryHard

Actually, having sat down with a selection of C-hubs this evening, looks like I cocked up on my inital assesment

You CAN use the 416 knuckles in the 415 c-hubs, and the axle will be at the same height.... my bad

You do need to add a shim above the chub to keep the ball joint in the same height. And need to file off a little bit of material from the steering knuckle, as it's a bit of a tight fit.

Pic of the setup below

See, I don't know everything Nath

HiH
Ed