Traxxas TRX-4 Aluminum GTS Shocks are the replacement shock for the TRX-4, but are also a great scale option for a variety of scale builds! The shock features an 11mm diameter shock body, and is approximately 90mm long at full extension and 65mm long when compressed, delivering 25mm of travel! Package includes two factory assembled shocks and a bottle of unspecified weight shock fluid. Shock springs not included (stock springs are TRA8040 - rear, TRA8041 - front).