New addition to the Eagle Racing R31 line-up, Aluminum adjustable dampers for the R31 GRT chassis and R31 compatible chassis. The adjustable collars allow for quick and easy adjustments. Full alloy components, includes aluminum damper top and bottom, also matching aluminum spring retainer. Eagle includes 3 sets of springs and ball connectors. This is a good upgrade for those people still using normal shocks. These dampers are an alternative if you are not able to afford the genuine Works dampers.