Raise your Super Duty's off-road abilities. With Skyjacker's 2.5-inch front and 1.5-inch rear lift kit, you up the front and rear to a more level stance. With room to run more aggressive 33-inch tires, you will gain ground clearance and truly keep your factory ride quality. This simple suspension lift makes a big of difference. One-piece durable ductile cast iron spacers deliver a strong, long lasting product. This spacer block inserts between the OEM lower coil seat & axle mount. This lower mount method does not preload your Ford engineered coil springs. The spacer does not compress the coil spring it simply moves the mount up. With the suspension geometry of the lower mount, it is a direct 1:1 ratio. The 2.5-inch block provides 2.5-inches of lift. You maintain the same ride quality by retaining your OEM coil springs. Each spacer connects perfectly to join the OEM lower coil seat & axle mount firmly together with supplied hardware. Skyjacker Softride(R) Technology also enhances every single aspect of the rear add-a-leaf spring performance. Rear add-a-leaf upgrades and adds lift with a constant spring rate and consistent support. Shocks are a key link in-between the chassis and your suspension. Skyjacker ADX 2.0 Adventure Series Remote Reservoir Aluminum Monotube Shocks deliver modern technology in the design with an innovative off-road race-inspired full-displaced valving system. From higher speeds to a highway crawl, ADX 2.0 work. The external remote reservoir separates the nitrogen gas from the oil with an Internal Floating Piston (IFP). The IFP prevents the gas and oil from mixing or foaming (cavitation). Front & rear damper capacity enhanced with ADX 2.0 Adventure Series Remote Reservoir Aluminum Monotube Shocks. ADX 2.0 has a race-inspired full-displaced valving system. Nitrogen charged with Internal Floating Piston Technology = Quickest Shock Reaction Time Ever.