Compared to the 2.5” diameter coilovers the 3.0 Series shocks see a piston surface area increase of 50% in the ride zone, and 100% in the “Bump Zone”. 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.