Needed upgrade
Kyosho default differentials have a flaw, they don't line up with the spur gear. Definitely get these differentials, they are not plastic, making them a lot more durable. Upgrade your motor, and your drive train to make your Mini Z move like the wind :). Only downside is they are hard to find.
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Reviewed by: (Verified Buyer) Lee Bennett from Fort Collins Colorado.
on 7/6/2015
5
