Parts list: № Number Qty Name Options 1 RE524566 5 Piston Replacement Kit (0.50 OS) (MARKED R522745) 2 RE524568 1 Piston Ring Kit 3 40M1855 2 Snap Ring 4 R503480 1 Piston Pin Next page: 200-71 9901 (PISTON, PISTON RING KIT ) [01E05] 200-73 9901 (HEAD BOLTS) [01E06] 200-74 9901 (COMPLETE BLOCK ASSEMBLY) [01E07] 200-76 9901 (FUEL CONTROL RACK GUIDE KIT) [01E09] 200-77 9901 (FLYWEIGHT KIT) [01E10] 200-69 9901 (PISTON/PISTON RING KIT 0.25 OS) [01E03] 200-68 9901 (BEARING KIT 0.25 US) [01E02] 200-67 9901 (CYLINDER HEAD GASKET/OVERSIZED) [01E01] 200-66 9901 (THRUST WASHER KIT) [01D25] 200-65 9901 (CRANKSHAFT BEARING KIT/UNDERSIZED) [01D24]