... .45 B 3. Delivery time: 35days Piston for Renalt truck engine productsParameterCommon Materials Aluminum ... -Cast Iron etc.Piston ProcessCasting, Forging, Melted Metal Squeezing.Piston StructurePiston Head, Piston Pin Bore, Piston Pin, Skirt, Ring ... Grooves, Ring Lands and Piston Rings.Piston TypesSolid Skirt Pistons ...