The Lincoln Mark VIII Rear Suspension Conversion Kit will eliminate the original Air Spring Bags and return the vehicle back to factory height. Also included in this kit are four insulators two for the top, and two for the bottom of the Coil Springs. Easy step by step instructions will come with the kit, as well as how to disarm the suspension warning light. Suspension Conversion kits are a popular solution for the Lincoln Mark VIII Suspension Air Spring Bag Dry Rot Problem. This Coil Spring Conversion Kit eliminates the Air Suspension without sacrificing comfort.