The Fox coilover spring is specified as 18.000 TLG with a 3.00 inch inner diameter and a 400 lb/in spring rate, finished in silver. Intended for coilover applications where that spring rate and dimensional fit are required, it provides the defined spring characteristic needed for tuned suspension setups and straightforward replacement in compatible coilover assemblies.
Fox Coilover Spring 18.000 TLG X 3.00 ID X 400 lbs/in. Silver