Korky Combo Pack - (1) Kokry 528MP MaxPerformance Fill Valve (1) Kokry 2003BP Universal Flush Valve Repair Kit The most universal replacement fill valve Designed for optimum performance in TOTO, Kohler and American Standard toilets Includes Korky Plus flapper, replacement flush valve seat and silicone sealant Repairs corroded flush valve seats in less time Get Both Parts - Great Value Pack