Changchai S195(4PCS) Piston Ring, 109508P, for Diesel Engine Tractor, FAYAN Brand   

1. .Surface treatment   Top ring: Chrome plating on OD surface,phosphating on the other surface; 2nd ring: phosphating; 3rd ring: phosphating; Oil ring with spring: chrome plating on OD.surface , phosphating on the other surface;    

2. Material  

   Top ring: YH11;

   2nd ring: YH11;

   3rd ring: YH11;

   Oil ring: YH11;