maXpeedingrods B1 series is ideal for those who want to change the old worn-out strut but improve handling at the same time. It features height adjustable and maintains the OE ride quality to the greatest extent. 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 Damping: fix damping Quantity: 2x front Coilovers 2x rear Coilovers 2x C spanners Feature 1. Lower height adjustable (depends on vehicle models) 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