58MM COMPLETE CYLINDER BARREL PISTON KIT Fits For CBR 125 CBR125 R 2004-2017 Material: Aluminum Bore Type: Standard Bore Cylinder Type: KGH Bore diameter: STD 58mm Stroke: 47.2mm Pin diameter: 13mm Upgrade your CBR 125 with the 58MM COMPLETE CYLINDER BARREL PISTON KIT, designed to enhance engine performance and.This kit is compatible with CBR 125 R models from 2004 to 2017 and fits Sonic 125 models from 2001 to 2008.It includes an anodized piston built to resist heat and wear, contributing to extended service life.The piston comes with a set of rings and a steel pin to a seal and consistent power output. The kit is designed for straightforward installation and includes all necessary components: cylinder, piston, rings, pin, clips, and an end gasket set, allowing for a full end rebuild.With a standard bore of 58mm and a stroke of 47.2mm, along with a 13mm piston pin, this assembly serves as a direct replacement for the cylinder unit, restoring engine performance effectively. Constructed from materials, the kit offers a practical solution for replacing damaged or worn cylinder components.The included gaskets are made from performance-grade materials to improve sealing and longevity, helping maintain smooth and efficient engine over time. Disclaimer: This is a compatible replacement part.Any brand or model mentioned is for compatibility demonstration, not endorsement.