... Comp. High: 25.9mm 3. Pin Size: 15*47 4. Cylinder bore:56.5mm5. Packaging Detail: 1pc per small box,10pcs ... pistons, can supply all kinds of motorcycle Cylinder/Automobile cylinder/cylinder block/Air Cooling Cylinder/motorcycle cylinder/cylinder water cooling system,and our products are ... ,RV200,GY6 ,AX100etc) 2)We can offer single cylinder,or cylinder set with other motor parts(piston;ring;pin,circlip, ...