Auto Piston,engine piston,piston kit 1.Top quality, best price 2.Model:Toyota,ISUZU,yamar,kubuta,MTZ,KOMATSU ,MF... Material Characteristics Eutectic Aluminum Alloy ZL109 AC8A KS127 MAHLE24 AL108 SAE334 Over Eutectic Aluminum Alloy AISi18 AISi21 AC9B Surface Treatment Hard Anode OxidizationTin-facedSurface OxidizedSpraying GraphiteProduct TypeInserted Abrasion-resistant Ring Inserted Anti- ...