Wild Willy head that move. The Wild Willy is a necessary tool for working with the wheel wide. 1/10 R/C Car Baja Champ ITEM58221 C-Parts (2EA) 1/10 R/C Car Wild Dagger ITEM58231 Drive Shafts(1EA) Educational Construction Series-3mm shaft set ITEM70105(1EA)     This is a picture where the suspension arm is wider       Cut the servo horn with a knife. Making a hole beneath the chair