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 1946-52 Buick Super, Special and Roadmaster, Cadillac Series 62, Chevrolet Fleetmaster and Styleline, Oldsmobile Special Series 66, 68, 76 and 98, Pontiac Torpedo and Chieftan, 1951-52 Packard 250 series, 1951 Plymouth Cranbrook (orig. had screw jacks, this is to convert over to a modern hydraulic system), 1953 Buick Skylark and Cadillac Eldorado and 1946-48 Lincoln Continental cars, they are sold individually and are the same for the right or left side of the car.