09-12 RAM 2500/3500 4.5" Suspension System-Stage 4 17-Current F250/F350 4.5" IVD Complete This additional force helps prevent

This additional force helps prevent harsh bottom outs and controls the suspension when compressing at high velocity

and a high temperature long wear seal pack that stands up to harsh conditions found both on and off-road

Progressive leaf springs improve ride quality without reducing towing capacity

Adjustable coilovers from 1-3" of lift height

track bars

09-12 RAM 2500/3500 4.5" Suspension System-Stage 4 17-Current F250/F350 4.5" IVD Complete This additional force helps preventDescription: 2009 2012 Ram 2500 3500 4. 5" Stage 4 Suspension System utilizes the same technology as the 2. 5" systems while adding lift height and ground clearance. Additional engineered front end components are added to ensure proper steering geometry with improved function throughout the entire travel range whether on or off road. The Stage 4 System is comprised of dual rate coil springs, tubular steel upper & lower link arms, polyurethane