OVERHAIL KITS INCLUDES 2 NEW PISTONS WITH RINGS, 2 INTAKE, 2 EXHAUST VALVES, GASKET SET, CRANKCASE SEALER, CRANKSHAFT SEALS & VALVE SEALS USED IN THESE KOHLER ENGINES: CH18, CH20, CH22, CV18, CV20, CV22, CH620, CH630, CH640, CH641, CV620, CV630, CV640 77MM BORE2- PISTONS 25-874-46-S PISTONS STANDARD BORE 77MM GASKETS & SEALER WITH 2 CRANKSHAFT SEALS THESE ARE HIGH QUALITY PISTONS & RINGS, GASKETS, SEALS & SEALER THAT ARE NOT MADE IN CHINA OR TAIWAN SHIPS FROM USA WITH A TRACKING NUMBER FEDEX 2 DAY AIR TO THE 50 STATES |