Check the listing for details. Kawasaki KH100 KM100 KC100 KE100 13001-1065 Piston Kit (1) STD / 49.50mm. Condition: New. Listed at 50.55 USD. KAWASAKI KH100 PISTON KIT STANDARD BORE = 49.5MM PLEASE CHECK BORE SIZE BEFORE ORDERING. WHAT IS INCLUDED: PISTON RING SET (1) PISTON CIRCLIPS (2) All new motorcycle items listed are aftermarket/pattern parts unless otherwise stated in description. Any reference made to original manufacturer's name or part numbers (O.E.M.) is done for information only and does not imply that the items are original. Where possible all parts are listed by part number (O.E.M.). Please reference your parts list for the correct applications. Please note: All motorcycles parts sold on this site need to be fitted by a qualified engineer using the correct appropriate equipment & machinery and using necessary technical manuals. No liability can be accepted for parts incorrectly fitted, and any failure of such par.