I like to buy parts that mentioned as below in high amounts: 1- CYLINDER SLEEVE :6102.02.17 2- PISTON : 4102EZL.04.30 3- OIL PISTON RING ASSY 4- CENTRAL MAIN BEARING HALF SHELL :6102.02.126-B - 6102.02.14-1B 5- BIG END BEARING HALF TILE : 6102.04.13C If you can supply, please contact me as quickly as possible.