Coil-Overs is a term used to describe a strut or shock that features a coil spring mounted to the outside of strut or shock. It is the common design for more factory independent front suspensions. Many universal coil-overs are used for custom off-road buggies.If you have the answer to the following question(s) please email them to: info@aftermarketbuildersguide.com – What are the extended and collapsed length of the factory coil-over?