Part Number: 4TN78 Application: For Yanmar Engine John Deere JD50 Excavator Note:The Cylinder Liner is Semi-finished type Content: 1 Set of Overhaul Gasket Kit 4 Cylinder Liners 4 Pistons STD 4 Piston Pins 8 Snap Rings 4 Rod Bushings Set Rings For 4 Pistons STD 1 Set of Main Bearings 1 Set of Rod Bearings 1 Set of Thrust Bearings 4 Intake Valves 4 Exhaust Valves 8 Valve Guides 4 Intake Valves Seats 4 Exhaust Valves Seats.