Applications For Audi TT Mk1 (8N) Quattro 1998-2006 Coupe & Roadster for 1.8T Quattro, 3.2 VR6 Quattro For VW Golf MK4 R32 Specifications Front Lowering: 30-85mm (depends on the vehicle models) Rear Lowering: 30-70mm (depends on the vehicle models) Spring Rate Front: 8 kg/mm (448 lbs/in) Spring Rate Rear: 9 kg/mm(504 lbs/in) Spring length Front: 170 mm Spring length Rear: 130 mm Spring Preload advised: 7-10 mm with Front Helper springs Quantity: 2x front Coilovers 2x rear Coilovers A pair wrench Feature 1.Lowering height allow you have more aggressive stance. 2.Height Adjustment tools included. 3.Dust boot included to protect damper seal. 4.Twin-Tube structure allows sufficient stroke within the shock absorber. 5.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. 6.Steel shock bodies are electroplated with Zinc for anti Anti-corrosion. Notice