You are also welcome to send us the vehicle registration document in advance! Our absolute top seller. The first choice of motorsport fans around the world. Our proven spring system maximizes that handling of your vehicle and ensures a sporty look. The Pro-Kit lowers the center of gravity of your vehicle and reduces sag during acceleration, Reduces the tendency of the body to roll when cornering and diving when braking. The eibach Pro-Kit in combination with the right wheels and tires is the guarantee of success for optimal performance. The Pro-Kit also reduces the unnecessary space between the tires and the wheel arch and gives your vehicle a sporty look. eibach Pro-Kits are engineered by our suspension engineers and testing experts to that they deliver a combination of sporty looks and.