Not following the pack has been the inspiration for our new high performance line of racing shocks specifically designed and engineered for Snowmobile racing. The innovative FLOAT™ X EVOL AirShox deliver and ultra-wide range of externally adjustable compression and rebound damping with infinate dual stage air spring adjustability...springs are history. With out optional DSC, you can adjust the shock's high and low speed compression by simply turning the external adjustments.