... ringA: 8PE1 engine piston ring1. Piston ring Material : Cast iron , Alloy , Steel2. Piston ring Feature : 1 Chrome-plating ,2 Line ... 6 Compages piston , 7 Forged piston3. Piston Feature : Satin Anodised Aluminium ,phosphating , Alfin ,Double Alfin , No Alfin , Graphite , Oil ... Piece , Top Oxidization , Skirt Graphite Printed , Three or Four Ring Grooves ,Ceramic Spraying4. We can offer you The 1 Steel ...