Our Lincoln Town Car Air Suspension Conversion Kit with Front and Rear Shocks Kit includes: Front and Rear Replacement Gas Shocks, along with the correct Coil Springs to Convert the vehicle from Air Suspension to Conventional Springs. This kit will keep the car at factory height while providing a smooth car ride. You will be saving Time and Money by purchasing this complete kit. The Town Car conversion kit will eliminate the air suspension problem forever. How to disable the air suspension light is provided in the instructions. Gas Shocks should be replaced every 50,000 miles and are included with this kit. For safety reasons your Gas Shocks should be maintained for these periods.