BDS Suspension BDS033611 2005 2022 Ford F250 F350 6in (Diesel engine) Coil Kit 57949 The power of BORLA(r) Multicore(r) BKFX_UC1148L G1K The power of BORLA(r) Multicore(r) technology Details: Buyers Products Black Steel Topsider Truck Box mounts on top of the truck bed rails to save valuable storage space inside your truck bed Manufactured from high tensile steel our direct OE replacement coil springs are engineered with properly sized wire diameter Description_DES 2005 2022 Ford F250 F350 6in (Diesel engine) Coil Kit Description_EXT 2005 2022 Ford F250 F350 6in (Diesel engine) Coil Kit Description_FAB Designed to withstand full coil bind: you can smash our coils to totally flat and they will return to their original height Description_FAB A polyester based powder coat is applied to ensure flexibility and durability Description_FAB Preset with a hydraulic stress to reduce fatigue in the steel and prevent sagging Description_FAB Shot peened to increase tensile strength and maximum wheel travel without sacrificing spring life Description_FAB Either cold wound with chrome silicon 9254 or hot wound with 5160 to guarantee long life Description_MKT Custom tune the spring rate and ride height of your 6 inch lifted 2005 2022 diesel Ford F 250 or F 350 Super Duty 4WD by swapping coil springs