98-02 Lincoln Navigator 4WD Air to Coil Springs Shocks Conversion Kit lowering kitApplication Compatible for Lincoln Navigator 1998 2002 For 4WD Only Intechange Part Numbers: 3U2Z 5580 LA,F75Z 5A891 BE,5U2Z18V124EA Specification Intechange Part Numbers: 3U2Z 5580 LA,F75Z 5A891 BE,5U2Z18V124EA Quantity 2 Front Heavy Duty Shocks, 2 Rear Heavy Duty Coil Springs, 2 Rear Shocks, 2 Isolators Warranty : one year warranty for any manufacturing defect Feature Hign Tensile performance spring Under 600,000 times continuously test, the spring