imported post
Are you talking front of rear??? adding progressive springs to the front does not eliminate the air capability (if you have it), but you may not need to use it... Like wise at the rear.. Typically they are stiffer..
Are you talking front of rear??? adding progressive springs to the front does not eliminate the air capability (if you have it), but you may not need to use it... Like wise at the rear.. Typically they are stiffer..
