The SAME 004100666 Piston Group is a genuine replacement component designed for SAME 1000.3 WTI, 1000.4 WTI, and 1000.6 WTI series engines. This complete piston assembly features a 105mm bore, an overall height of 102.5mm, and a combustion chamber depth of 49.5mm. The piston pin measures 38mm in diameter and 80mm in length. Weighing 2.3 kg, this piston group ensures optimal engine performance and durability.