Carli Suspension Heavy Duty Full Progressive Leaf Spring Kit (1 Lift) - CS-FFSP-LVL-11-HD

If running empty, these will lift more than stated and ride very rigid. Heavy Duty Full Replacement Leaf Springs designed for those with constant 1,000lbs in the bed.Carli Suspension worked in conjunction with Deaver Leaf Springs to design a leaf spring pack to match our 2.5 Suspension Lifts while providing a much more predictable and supple ride for the customer that runs 1,000lb constant load in their bed. This spring pack delivers smoother suspension cycling in all situations: highway, off road and towing.Being an HD spring, this is NOT designed for unloaded use. This spring will function exactly as our standard full springs will when loaded with 1,000lbs. Whether it be a toolbox, welder, tent/decked setup the Heavy Duty Leaf Springs have you coveredThe factory leaf spring packs have 2-4 heavy main springs and an immobile lower overload making for a jarring ride - replacing them with our 9-Leaf main pack and 3-Leaf overload provide much more spring rate progression. The Carli Suspension Super Duty HD Full Spring Pack is designed and built to our specifications supporting up to 15 of wheel travel with the constant load of 1,000lbs. It's worth noting that the standard Carli tuning is not optimal for these springs. The center-pin is relocated to accommodate (up to) 38 inch tires, 37 recommended, and levels the rear perfectly to match our 2.5/3.5 front suspension systems, respectively. It will work as 1,000lbs more of sprung weight and the additional spring rate are right on the cusp of requiring additional tuning (both compression and rebound) but you can get away without it. 11-16 Ford F250/350 4X4 ;Block eliminating, Full Progressive Spring Pack; Heavy Duty Full Replacement Leaf Springs designed for those with constant 1,000lbs in the bed; Includes new U-Bolts and Rear Bump Stop Drops; Provides a 1, rear high stance on Matching 2.5 Leveling Suspension Systems; 37 Tire Fitment; Fitment: 2011-2016 F250/350 44, 3.5 Axle Tube;California Residents: WARNING

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Carli Suspension Heavy Duty Full Progressive Leaf Spring Kit (1 Lift) - CS-FFSP-LVL-11-HD