Motorcycle Engine Cylinder Kit Piston Overhaul Pads for TRX450 450 12100 HN0 A00 TRX450FM 2002 2004 TRX450S AM 1998 This engine cylinder kit is designed for use with specified TRX450 models and includes piston overhaul pads necessary for rebuilding the engine cylinder.The components are engineered to match specifications for proper fit and function during engine repair or restoration.Suitable for use in TRX450FM models from 2002 to 2004 and TRX450S AM model from 1998.The kit supports standard bore replacement and provides essential parts for maintaining engine function.Important: This is a non-OEM part.Any brand or model cited is used to denote device compatibility.