Compatible for ford Expedition 2003 - 2006 Compatible for Lincoln Navigator Front and Rear Air Suspension to Coil Conversion Kit

[description]Applicationcompatible for ford Expedition 2003-2006 All ModelsCompatible for Lincoln Navigator 2003-2006 All ModelsSpecificationsQuantity: 2 pieces front + 2 pieces rear as shown in the pictureFront Spring Rate: 18 kg/mm (1008 in/lbs)Rear Spring Rate:10 kg/mm (560 in/lbs)Color: GoldenDamper: Non-adjustable Damper forceAdjustable Height: YESAdjustable Camber Plate: NoWarranty: 1 year warranty for any manufacturing defectFeature* Adjustable ride height.* Adjustable pre-load spring tension.* Most components are made from 6061 aluminum with T6 for increased hardness -- the advantages include excellent strength, and aluminum helps keep the weight down. * Hi Tensile Performance spring - Under 600,000 times continuously test, the spring distortion is less than 0.04%. Plus, special surface treatment is to improve durability and Performance.* All inserts come with fitted rubber boots to protect the damper and keep it clean.* A fast and affordable way to easily upgrade your car's a