In this black front spring eye and shackle bushing kit, polyurethane based suspension, driveline and chassis components have been designed as an upgrade to the soft factory rubber components. Precision fabrication ensures a perfect fit. Holds super grease for quiet operation and provides necessary rigidity.. This black polyurethane leaf spring bushing Kit from Prothane fits the front or rear springs on 55-75 Jeep CJ5 and CJ6.