The Piston Pins are made from high quality Alloy Steel. Karan Export manufactures Alloy Steel Piston Pin. Karan Export is an ISO 9001:2000 certified company that supplies wide range of precision engineered automotive components and accessories include automotive pistons, automotive connecting rods, automotive air filters, automotive spare parts, automotive engine parts, etc. The hardness of the pins is maintained Between 55HRC to 60HRC, which can be altered according to customer need or OEM specifications.