OP - Glad the FSD's helped your ride...
For other's considering shocks. Another way to approach this is to use the FSD's not he Steers, and Koni Adjustable SP3 shocks on the rear.
You feel more road transfer to the front seats from the Steer axle. And having five levels of dampening settings on the Drive (Tag too, if it's a tag coach.) will give you more flexibility on settings. And SP3's were a bit less expensive the last time I looked. If it is for a Diesel Pusher, instead of the Gold FSD's, look at the EVO '99's' - which are also FSD type design, buy much more 'stout/robust'.
Best to all, travel safe, have fun,
Smitty