Dodge 1500 ProMaster 2013-2022 SD Kit Sprinter Van 3500 Progressive tension design adapts automatically

Progressive tension design adapts automatically to changing loads

*If your truck does not have factory top overload springs

No compressors

Built for truck owners who tow

Get the best of both worlds with this authentic RAS® Heavy Duty RoadActive Suspension kit -- the only solution that strengthens leaf springs by up to 50% while providing a more smooth

Dodge 1500 ProMaster 2013-2022 SD Kit Sprinter Van 3500 Progressive tension design adapts automaticallyKit includes an easy to install RAS Helper Spring for each rear leaf spring. RoadActive Suspension kits are designed to strengthen the rear leaf springs for towing or hauling without negatively affecting unloaded ride quality. This kit will reduce rear bounce and squat when loaded while significantly improving stability, handling and performance at all times. Great when for light to moderate loads with up to 1 2 of squat. Estimated install time is 1