General description Coilover Suspension Kit designed for VW Golf Mk4 and New Beetle models from 1997 to 2007. This high-performance aftermarket kit allows for adjustable height, providing a customizable driving experience. Please note that no top mount is included, and modification may be required if using original equipment (OE) top mounts. This kit is compatible with the following vehicles: VW Golf MK4 1J1 FWD (08/1997-12/2007) VW New Beetle 9C1, 1C1 FWD (01/1998-11/2010) Seat Leon 1M1 FWD (11/1999-06/2006) It will not fit 4-MOTION (AWD), VW Golf MK4 R32, or Audi quattro models. Technical specifications Adjustable height: Front lowering 30-90mm (depends on vehicle models) Adjustable height: Rear lowering 30-75mm (depends on vehicle models) Spring rate Front: 8 kg/mm (448 lbs/in) Spring rate Rear: 6 kg/mm (336 lbs/in) Spring length Front: 170 mm Spring length Rear: 275 mm Front spring inner diameter: 62 mm Rear spring inner diameter: 58-63 mm Helper spring rate Front: 1 kg/mm (56