Category Pwc/Kawasaki Back Piston 13001-3720 PWC Parts & Accessories Type: STD 01 (0.25) 02 (0.50) 03 (0.75) 04 (1.00) Viewer:877 Item No: 13001-3720 Bore: 73 mm Fits: 1995-1997 Kawasaki 900 ZXI Piston 1998-2004 Kawasaki STX Piston You May Also Be Interested In Battery CTX20L-BS / YTX20L-BS Oil Seal 92049-3730 Cylinder sleeve 496-44301-00 Universal Choke Cable 415-006-200