68MM Motorcycle Engine Parts Cylinder Kit Piston Ring Gasket for MT03 MT 03 YZF-R3 R3 YZF Accessories Cylinder Block Kit This cylinder kit is designed for 68mm engine displacement and includes a piston, piston rings, gasket, and necessary components for cylinder replacement.Compatible with models such as MT03, MT 03, YZF-R3, and R3.The kit provides a complete solution for rebuilding the engine cylinder block.-machined parts proper fit and performance.Suitable for use in engine overhauls or performance. This is not an OEM product.Brand/model references are included solely to assist with compatibility identification.