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Independently tested at the Transportation Research Center (TRC):
RoadActive Suspension
Zero Hassle OR Maintenance
Reduce axle wrap & hop
no airlines
Ford Raptor 2015 - 2021 3500 Sierra Independently tested at the TransportationRoadActive Suspension Kit includes an easy to install RAS Standard Duty 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.
