Bilstein B12 (Pro - Lift Kit) suspension kits are a complete set of B6 Performance dampers paired with Eibach (Pro - Lift Kit) springs that provide increased ground clearance of the vehicle up to 30mm (depending on application). These kits offer dampers and springs that are tuned for each specific application to provide the best fixed raised ride height solution. Bilstein B12 (Pro - Lift Kit) suspension kits provide the perfect combination of suspension dynamics, quality, aesthetics and off - road capability.