Gabriel G56953 ReadyMount Complete Strut Assembly for select Chevrolet Lumina models Orifice Disk with variable nine-stage valving provides consistent oil flow resulting in improved ride quality on a variety of terrains G-Force technology for quicker response, improved product life, and consistent, reliable ride and control StableSteer valving provides response from all four corners for a stable, safe ride G-Force piston is bonded iron construction for durability and longer life, along with the heavy duty compression head valve that withstands extreme impact This item is not for sale in Catalina Island ReadyMount a complete preassembled Ultra Strut, coil spring, upper strut mount, bumper and boot, and spring seat Maximize your vehicle safety and performance, installation saves time, with no expensive tools for installation. ReadyMount is preassembled which means you get it right the first time, improves steering and braking ability This item is not for sale in Catalina Island