Piston Material : ZL109 Aluminium Alloy , Alloy cast iron.
Piston Type :1 Steel-insert piston , 2 ALFIN piston , 3 Cast Iron piston , 4 Cooling channel piston , 5 One piece casting piston , 6 Compages piston , 7 Forged piston
Piston Feature : Satin Anodised Aluminium ,phosphating , Alfin ,Double Alfin , No Alfin , Graphite , Oil cooling channel , Sn(tin) plated , Steel Piece , Top Oxidization , Skirt Graphite Printed , Three or Four Ring Grooves ,Ceramic Spraying