General description maXpeedingrods' B1 series Coilovers Suspension Kit is designed for VW Passat MK4 (3B/3BG) models from 1996 to 2005. This kit is perfect for those looking to replace old struts while enhancing handling performance. The damping is factory preset and the height is adjustable, allowing you to maintain OE ride quality as much as possible. Please note that no top mount is included, and modification is required if you use OE top mount applications. Technical specifications Height Adjustable: Front & Rear (depends on vehicle models) Front Lowering: 30-80mm Rear Lowering: 30-75mm Damping: Fixed rate damping Spring Rate Front: 6.5 kg/mm (364 lbs/in) Spring Rate Rear: 6 kg/mm (336 lbs/in) Spring Length Front: 295 mm Spring Length Rear: 206 mm Spring Preload advised: 7-10 mm Top mounts: Front and rear OE top mounts required Installation Simple installation process Easy to adjust Use the vehicle's original upper mounts (not included in the product kit) Usage Ideal for replacing