The Whiteline kit replaces the bushings in the rear subframe to dramatically reduce rear cross member misalignment and movement which allows a more positive feel from the rear end during cornering. Recommended for motorsport applications. Product Features:Inserts are designed to work with the original factory bushing rather than replacing it.Internal grease reservoirs provide continual self lubrication for optimum friction management.Specially bonded design for optimised strength typically required in high load bearing applications.