Air to Coil Spring Struts Coilovers Conversion kit compatible for Lincoln Navigator 2003-06

IntroductionMaxpeedingrods-B3 based on Maxpeedingrods-B2 coilovers, which is also height adjustable but adds damping adjustment ability by a knob the top of the shaft. They are also made for street use, but the 24 level rebound damping control allows you the ability to perfectly dial in your coilover setup. You will experience better ride quality in all road conditions.ApplicationCompatible for Ford Expedition / Compatible for Lincoln Navigator 2003-2006SpecificationFront top mounts: pillow ball Rear top mounts: pillow ball Damping: 24 ways damping adjustable Spring rate Front：18kg/mm (1008 lbs/in) Spring rate Rear：14 kg/mm (784 lbs/in) Spring length Front: 230mm Spring length Rear: 200MM Coilover Overall length Front: 510mm-570mm Coilover Overall length Rear:500mm-570mm Adjustable height: Yes lowering 1" to 3" Shock type: Twin tube Spring preload: 7-10 mm Color: redPackage includedcomplete coilovers for 2 front and2 rear a pair wrench for height adjustment Installation instructionDimensionweight: 31000g size:73*26*19cmFeature1. Lowered height adjustment from 1" - 3" which allow lower center of gravity and also add a more aggressive stance 2.24 levels of adjustable damper -- This allows you the ability to perfectly dial in your coilovers system. For a nice comfortable driving, set damping to full soft. For more spirited driving, set it to 16 clicks. For occasional track days, set it to full stiff. 3. Adjustable pre-load spring tension to reduce the shaking motion to a certain extent 4. Adjustable Camber Plate and Pillow ball top mount for sharpening steering response.( for some models) 5. CNC machined Aluminumtop mounts and lockers-- - excellent strength, and save weight 6. Heavy Duty Steel Lower Mounts--- Highly Durable & Reliable 7. High tensile spring---600,000 times continuously test to assure it's high tensile strength. 8. All inserts come with fitted long rubber boots--- To protect the damper more well and be durable. 9. Twin-Tube structure ---provides excellent handling & control characteristics for most driving conditions 10. Corrosion Finish - Anodized Aluminum And Powder Coated Carbon Steel Parts