You may want to consider AirLift.
Air Lift 59554 - Air Lift Ride Control Kits - Overview - SummitRacing.com
I had Firestone airbags and the ride was really bad when the truck was empty (great when full or pulling a load). However , Airlift the ride improved all the way around.
Air Lift 59554 - Air Lift Ride Control Kits - Overview - SummitRacing.com
I had Firestone airbags and the ride was really bad when the truck was empty (great when full or pulling a load). However , Airlift the ride improved all the way around.