I would have done the drop down, but it didn't make any sense to me to pay for two bearing sets. I see AM hasn't chimed in on this yet.
You wouldn't have been paying for two bearing sets, just the extra inner pinion bearing for the later model that isn't in the kit.
And there are cheaper places to get the bearing from than A/M, even the dealer sells it cheaper.
And there has been a conspicuous absence of A/M reps posting lately here.