4x Air to Coil Spring Struts Suspension Conversion Kit compatible for Ford Expedition 03-06 lowering kit

 
Specifications：
Quantity: 2 pieces front + 2 pieces rear as shown in the picture
Front Spring Rate: 18 kg/mm 
Rear Spring Rate:14 kg/mm
Color:  As pictures show
Damper: Non adjustable damper force
Adjustable Height: Yes
Adjustable Camber Plate: No
Warranty: one year warranty for any manufacturing defect

Feature:

* 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, the special surface treatment is to improve the durability and performance.

* All inserts come with fitted rubber boots to protect the damper and keep clean.

* A fast and affordable way to easily upgrade your car's appearance.

* Easy installation with right tools.

Notice:

* No instruction included; Professional installation & alignment suggested.

* Please check our store for other auto parts you may be interested in.

* Please feel free to contact us for whatever we can help.