Billstein Suspension Kits are designed to make it easier and more affordable for car enthusiasts and auto body shops to quickly and easily raise, lower, or adjust suspensions on cars.Billstein has been the leader in suspension kits since 2006.You may be a mechanic working at an auto body shop. You may be a hobbyist who enjoys looking after your car. Maybe you're someone just looking for a quick jolt of power whenever you get the chance! Billstein Suspension Kits can help make all these things possible. Whether you have a standard sedan or a racecar, we have kits that fit every need.