A 4.5mm internal shock spring, to be placed on the shock shaft, below the piston inside the shock body. The smaller diameter rests on the piston shim. These springs help the car drive more flat and stable, especially good on high grip tracks. Adjust your shock ball end to set the point that the spring engages. Undo shock end for later engagement, tig..

*SHIPPING NOW*This setup station set includes the following:2pcs Camber Angle Wheel Plates4pcs Quick Change Wheel Nuts1pcs Tinted Measurement Plate2pcs 36mm Droop Blocks1pcs +5 to -7 Droop GaugeThis tool set is made for 1:8th Nitro and Electric Buggies, and includes many unique features, solving common problems, as well as improving the experience of setting..