Ford F-250 1973 - 2010 HD Kit Overload Spring:Does Not Have Top Overload Spring RAS uses a variable-rate tension

RAS uses a variable-rate tension coil spring that attaches directly to your rear leaf springs

RoadActive Suspension kit includes an easy to install RAS Standard Duty Spring for each rear leaf spring

and traction bar at the fraction of the cost of other upgrades

Great when for light to moderate loads with up to 1’-2’’ of squat

Ford F-250 1973 - 2010 HD Kit Overload Spring:Does Not Have Top Overload Spring RAS uses a variable-rate tensionKit includes an easy to install RAS HD Spring for each rear leaf spring. RoadActive Suspension kits are designed to strengthen the rear leaf springs for towing or hauling while providing same as or better than stock unloaded ride and performance. This 3 in 1 solution works like a helper spring, sway bar and traction bar, at 1 3 the price. Fit and forget it install time is approximately one hour.