The Function-Xs has damping adjustment and features independent lower brackets for height adjustment.
Those seeking to improve handling on the track and street.
Those who want to be able to fine tune their suspension for the track
Independent Height Adjustability
30-Way Damping Adjustable
Single Monotube Type *1
Overhaul OK
Damping Setting Change OK
New price is well over $3000
this is a bargain price. these are high-end performance coilover dampers and have only had four outings on the track. Im selling these because engine expired and buying different car. No reasonable offer refused.