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The SuperPro single DuroBall replacement assembly (SPF4174) is a direct-fit service part for the ALOY0018K kit and legacy ALOY0006K. Made from SuperPro's engineering-grade polyurethane, it offers a longer-lasting, quieter alternative to rubber bushings and resists extreme temperatures, oils, water and coolant. Sold individually and backed by a lifetime warranty.
SuperPro DuroBall Service Kit - Single (For ALOY0018K)
