(1)bore size :57mm
(2)captable type : single cylinder air cooling
(3)genuine motorcycle parts
(4)Japanese quality

this  cylinder block is for  Genuine motorcycle parts

Features of High Quality cylinder as following :

(1) Fine appearance ,free of burrs, clean and smooth scavenge ports and fins ,good heat dissipation

(2) This Cylinder block are made of choiced boron alloy cast iron with excellent wear resistance and good metallographic structure

(3) clear bore surface cross hatch pattern, good oil-retaining characteristic, resulting great increase in engine life

4) precise machining size , good and location allowance

(5)we can supply our cylinder together with piston and piston ring ,pin , clips and gasket , spark plug and etc . we choose high quality parts to make our cylinder kits as OEM standard