Repair your leaking or running American Standard Champion 3, Kohler Class Five, or Kohler Class Six toilets. The Korky universal 3 inch valve seal kit contains two premium, longest lasting seals to repair your champion, class five, or class six flush valve. Proven longest lasting, the valve seal kit is backed by a 5 year warranty. Replaces: American Standard seal: 738651-0070A & Kohler Seal: GP1059291. Easy to install, the 435 includes: (1) Kohler Flush Valve Seal and (1) American Standard Flush Valve Seal. What's Included: (1) Kohler Flush Valve Seal and (1) American Standard Flush Valve Seal.Replaces American Standard seal: 738651-0070AReplaces Kohler seal: GP1059291Exclusive longest lasting red rubber resists chlorineEasy installationMade in the USA5 Year WarrantyIncludes: (1) Kohler tower style seal, (1) American Standard tower style seal