This item is a very important component in sustaining the handling characteristics of the vehicle. The 4-Bolt Hub Assembly maintains the vehicle’s front suspension. For optimum performance and safety reasons, this item should be changed more than once over the life of the vehicle. Prolonging the service of this part can hinder engine responses and affect the functionality of other related components. It is recommended that the Race Bearing be replaced with the hub if the existing bearings are damaged, Part# 50892G1 – 2 required.