Bilstein B3 Oe Replacement Coil Springs Are Designed To Replace Your VehicleS Original Springs. These Coil Springs Are Manufactured To Meet All The Oe Dimensions, Spring Rates, And Design Types (Such As Miniblock Or Central Force Design). With Bilstein B3 Oe Replacement Coil Springs, You Are Restoring Your VehicleS Suspension System Function And Safety To Factory Specifications.