Fox 3.0 Short Coarse 4-Tube Piggyback Bypass Shocks are have larger piston rods for the demanding needs of short coarse racing. 3.0 Fox Bypass Shocks reduce harshness by adding four external bypass tubes which allow free-flow around the piston. The Fox 3.0 4-Tube Bypass Shocks feature two compression tubes and two rebound tubes for control in both directions and a smoother transition into the bump and top-out zones. The 3.0 Fox Piggyback Bypass Shocks provide a nice package for easier mounting than other reservoir configurations. Upgrade to pre-tuned Fox 3.o Bypass Shocks from AccuTune Off-Road today.