Carli Suspension 4.5" Full Replacement Progressive Leaf Spring Pack 05-07 Ford F-250 / F-350 SuperDuty 4x4 BAJA-551015WT Plug it in

Plug it in

1L 2004-2010 ISL 9 14

their out of the box tuning works excellent for impressive power gains that are truly usable

what makes this system different is the addition of a custom axle control shock

Carli Suspension 4.5" Full Replacement Progressive Leaf Spring Pack 05-07 Ford F-250 / F-350 SuperDuty 4x4 BAJA-551015WT Plug it inYou want the ultimate ride, both on and off road for your SuperDuty? Look no further than Carli's FULL Progressive Rear Spring Pack. This leaf pack will support up to a whopping 15" of wheel travel! The center pin is relocated so you can run 38 inch tires and it can be used in addition to blocks for an even taller ride height. The spring pack delivers smoother suspension cycling in all situations, highway, off road and towing. The Carli Suspension