点击图片查看原图
通过认证 
Product Description：
1、Cylinder with increased intake vents,flow has passed horse-power test.
2、Cylinder hardness is more than HRB90.
3、Fine appearance ,free of burrs,clean and smooth scavenge ports and fine,good heat dissipation.
4、Maching CNC lathe face processing by computer ,clear bore surface cross hatch patten,good oil-retaining characteric,result-Ing great increase in engine life.
5、precise machining size,good shape and location allowance.
6、OEM serivce offered.
