Dirt Logic shocks provide the finest ride quality both on and offroad for vehicles with oversized tires. Top quality construction includes a 304 stainless steel body for maximum corrosion restistance. Reservoir style shocks have a billet aluminum reservoir to help keep the shock cooler for increased performance. The black NitroSteel piston rod is super hard and resists rock chipping for greater longevity. Dirt Logic's are rebuildable and can be custom valved for specialty applications.