Walsh A-arm ball joint for Kawasaki 450 KFX The Walsh Race Craft front A-arm ball joint is designed for Walsh A-arms on Kawasaki KFX450 . Developed for racing front suspensions, it ensures proper articulation between suspension and steering components. This ball joint is intended for Walsh Race Craft A-arms and may fit other A-arms depending on configuration. It is an essential replacement part for front suspension maintenance.