Here are the convertible top lift cylinders (also called rams), all of our top lift cylinders are completely new and are made as exact replacements for your car. We do not sell 'universal' or rebuilt rams, all of our cylinders are backed with a 3 year warranty when not used with brake fluid. We also have a page under the 'TECH HELP' button with everything you need to know about hydraulic convertible top systems, it is a must read if you are replacing your top cylinders, lines or pump. This cylinder fits 1954-56 Buick Special, Century, Super, Roadmaster and Skylark, 1954-56 Cadillac Series 62 & Eldorado, 1954-56 Oldsmobile 88 and 98 Starfire convertible cars, they are sold individually and are the same for the right or left side of the car.