Eibach Lowering Spring Kit - 85117.140 - This kit includes four Eibach Pro-Kit Lowering Springs, designed to lower your vehicle's center of gravity, reduce squat during acceleration, body roll in corners and excessive nose-dive under braking. The Eibach Pro-Kit is the perfect answer for most frequently-driven street cars. It's our legendary spring system that dramatically improves both a vehicle's performance and appearance.