Piston Pin Bush:4. Intake Valve Seat:4. Exhaust Valve Seat:4. Main Beraing STD:Set of 5 Pairs. Con Rod Bearing STD:Set of 4 Pairs. Overhaul Gasket Kit:1 Set. Thrust Washer:1 Set. Please message us if you need the over size bearings. If no extral requirement we will send STD Size bearings, Thank you!