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:878 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 Regulator Voltage 21066-3717 Piston 13001-3720 Bolt, Stud 90116-08104 Rear Hand Brake Cable 3HN-26341-00