Perkins series(Dia from 91.491mm-137.17mm): 1. Piston rings: 4181A009, 4181A027, 4181A019, 4181A021, 4181A026, 41158017, 41158022, 41158029, 41158041, 41158044, 41158057, 41158005, 68501etc. 2. Pistons: 68301, 89207, 68310, 68332, u5ll0015 etc. 3. Engine Bearing: AEM7377SA/68079, AEB6341SA/85043, AEM7189SA/85010, AEB6341SA/85043, AEM5212SA/81558/U5MK0265, AEB4438SA/85042/U5MF006, VPM864A/68082, AEB4309SA/85035, 68084/VPR863A/85036 etc. 4. Cylinder Liner: 31358352, 31358346, 31358394, 31358393, 31358345, 31358323, 31358534, 3135X042, 3135X041, 3135X031, 3135X032, 3135X062, 3135X063 etc. Remark: 1)For European& American, Korean & Japanese etc. Engines 2)Good quality 3)Competitive price 4)Secure service 5)Products: Piston, piston ring, engine bearing, cylinder liner. 6)We can develop new items for you especially. Desire our cooperation.