Yokomo Y4-8BA 13.5mm Shock cap ball (4pcs) for YD-2/YD-4 橫崛  [Y4-8BA]

YD-4 standard shock cap ball. When installing the damper, it is an aluminum part that is attached to the top of the shock, and the ball will not be crushed even if the damper installation nut is tightened strongly, so the shock will not move stiffly.