Originally Posted by jmkitson

For you guys wanting to upgrade your b4 to a b4.1 keep in mind that the factory team b4.1 still uses a ball diff. The rtr version uses the gear diff. If you look at the shock upgrade alone though, is $80 for all 4 shocks complete. I plan on waiting till I have the money for a complete new kit. To expensive, in my opinion, just to upgrade parts.