Originally Posted by
AC Driver
If you look at all the parts that make of both of these diffs, you will see that they use different part #'s for the gear, the outdrives etc. I cant say for sure if they would interchange but would think there would be enough differences that would hinder interchangeability.
Unfortunately, the U4199 ball diff is out of stock.
Does the gear diff really make that much of a difference on med-high traction indoor clay?
How often are stocks replenished state-side?