TRX4 Clone Axles: A Note about Diff Covers

Hi guys,
Forgot to include pics of diff covers and note on fitment. There's a little flangy bit on the factory Traxxas diff covers that keeps them from fitting the clone axles. The covers off the clone axles fit Traxxas axles. I would swear that on my first set the clone covers didn't fit 100% so I think they've tweaked something. Aftermarket diff covers are notorious for not fitting perfectly, so be prepared to do a little massaging if you try to mix and match.
Do you drive to wrench or do you wrench to drive?