Performance Elite Series 2.5 Reservoir smooth Body shocks give you enhanced ride quality and the control you need when heading off the pavement. They take their design from our Off-Road race shocks, so they've been thoroughly perfected in brutal conditions that you will probably never see. Our athletes push the boundaries in competition to develop race-proven performance you can bolt onto your Truck or SUV. The external Reservoir allows for increased oil and nitrogen capacity while delivering a striking race look. Applications are available to fit most stock and lifted Trucks and SUVs. Our complete line of bolt-on, Performance Elite shocks provide improved damping in any terrain. Experience for yourself the incredible performance and precise control that Performance Elite Series 2.5 Reservoir shocks deliver. Features Performance Tuned For Vehicle Specific Application, Aluminum Body Dissipates Heat Faster Than Steel, External Reservoir System Dissipates Heat Fast, Black Anodized CNC Machined Aluminum Components Series Performance Elite Travel 12.97 Rear Lift Height 4.5-6 Body 2.5 Inch impact extruded and CNC machined 6061-T6 hard anodized aluminum Body resists rust over time Body Plating Hard-anodized for a durable finish Components Black-anodized, CNC-machined 6061-T6 billet aluminum Shaft 7/8 Inch hard chrome plated heat-treated alloy steel Piston Race-developed high-flow Piston design Valving Application specific Valving to maximize performance Seals Redundant sealing pack system main seal, wiper seal, scraper seal Bearings PTFE-lined, heat-treated, alloy steel spherical Extended Length 32.31 Compressed Length 19.34 Top Mount ES6 Bottom Mount ES6