Air to Coil Spring Strut Suspension Conversion kit compatible for Lincoln Navigator 2003-06 lowering kit

IntroductionMaXpeedingRods-B2 series(also called MaXpeedingRods-SNA) coilovers are designed as an entry level for street use. It features with full length height adjustable and adjustable camber plates (applicable for some vehicles),which offers you a lowered stance, improved performance for your daily use vehicle. ApplicationCompatible for Ford Expedition 2003 - 2006 All Models Compatible for Lincoln Navigator 2003 - 2006 All Models SpecificationTop mounts:pillow ball top mount front and rear Damping: No adjustable damper force Front Spring Rate: 18 kg/mm (1008 in/lbs) Rear Spring Rate: 10 kg/mm (560 in/lbs) Adjustable Height: Yes lowering 1" to 3" Shock type: Twin tube Spring Preload: 7-10 mm Color: red Package includedproduct included: complete coilovers 2 front and 2 rear,a pair wrench for height adjustment. DimensionGross weight: 30.68kg Package size: 71*51*21cm Feature1. Lowered height adjustment from 1" - 3" which allow lower center of gravity and also add a more aggressive stance. 2.Pillow ball top mount - It improves the steering feel and response. 3. Twin-Tube structure allows sufficient stroke within the shock absorber. 4. Complete Suspension Kit of 4 Shock Absorbers & 4 Springs for an easy installation. 5. Separate height adjustment does not affect damper stroke. 6. Height can be adjusted with coilovers installed on the vehicle. 7. High Tensile performance spring - STRESS TESTED OVER 600,000 times while the spring distortion is less than 0.04%. Plus the special surface treatment improves the durability and performance. 8. Height Adjustment tools included. 9. Full rebuildable.Warranty: one year warranty for any manufacturing defect