i know wat ur talking about the plunge joint like u said is connected to the gear box that gives power to both the wheels... is it the axle ur breaking or is it the joint?wen u installed them did u pack it up with grease??? how do u ride do u do a lot of jumps?? wen it breaks does it just pop out or doest it completly snap??u installed ur self right??? so wen u did u had it on the right side and u didnt pull on the part that plunges right?