It's for those "just in case" moments, if the car develops a sway as it's moving down the track. Call it insurance.KGL said:New guy question - if you have a good axle drill job on the body and the wheels migrate out to the axle heads, why do you need the washers on the body?HurriCrane Racing said:Don't forget the washers. I don't recall if they were mentioned in the video.