The Van Steel C5 C6 Corvette Delrin Bushing Kit optimizes the handling and performance of your corvette, eliminating friction in the suspension components is critical. The OEM rubber bushings are used for noise isolation. They are not ideal for performance due to the large amount of friction and deflection they produce. The Van Steel C5 C6 Corvette Delrin Bushing Kit replaces the stock factory rubber bushings and eliminates friction. Minimizing friction in suspension components improves overall grip and stability.