Notice: No Top Mount Included. Modification Required If You Use OE Top Mount Application: For VW Lupo MK1 6E1,6X1 1998-2005 For Seat Arosa 6H1 1997-2004 Specification: Front Lowering 30-90mm (depends on your vehicle) Rear Lowering 30-75mm (depends on your vehicle) Damping : fixed damping Spring Rate Front: 7 kg/mm (392 lbs/in) Spring Rate Rear: 2 kg/mm (112 lbs/in) Front spring inner diameter: 62 mm Rear spring inner diameter: 58-63 mm Spring length Front: 200 mm Spring length Rear: 230 mm Helper spring rate Front: 1 kg/mm (56 lbs/in) Helper spring length Front: 102 mm Spring Preload advised: 7-10 mm Quantity 2x Front coil-overs 2x Rear coil-overs 2x C spanners Feature: 1. Lower height adjustable 2. Dust boot, solid rubber bump stops 3. Weight Saving Aluminum Components And heavy duty Steel Lower Mount Brackets 4. Simple install, Easy to adjust. 5. Use the vehicle's original upper mounts (not included in our product kit). Notice: 1. All modifications must be installed by licensed