Made with modern materials and manufacturing techniques to ensure an as good or better than OEM fitment and performancePistons are made in Germany and forged for strength and MoS2 (Molybdenum Disulfide) coated to ease break inKit includes a piston, rings, pin and clips, top end bearing and a full top-end gasket kit (head gasket, base gasket, intake gasket, and exhaust gasket)OEM part numbers are provided to ensure correct fitmment.