3.0 Series shocks boast 50% more piston surface area in the ride zone of the shock's travel, and 100% in the “Bump Zone”, compared to 2.5 Series shocks. This translates into increased stability and vehicle control at the extremes of off-road use, with benefits also making themselves apparent in on-road driving conditions. The multi-stage hydraulic Bump Zone featured in these 3.0 Series shocks exponentially increases bottom-out resistance as the shock travels through the last 40% of travel, keeping vehicle dynamics in check during those hard hits or unexpected obstacles.