Material Type: Nodular Cast Iron Condition: Brand Model Name: CRM250AR 249 KAEG MD 32 Bore Size: STD 66.4mm : Certification: ISO9001 The Motorcycle Engine Parts Piston Rings Kit is designed as a replacement for CRM250AR, CRM250, and CRM250 MD32 models.Made from nodular cast iron, the piston rings provide durability under demanding operating conditions and contribute to an effective seal within the engine.With a bore size of 66.4mm standard, this kit matches the specifications required for proper engine function.This piston rings kit has been manufactured in accordance with ISO9001 quality standards, supporting consistent performance and.It is engineered specifically for compatibility with selected motorcycle models, correct fitment for CRM 250 AR, CRM250, and CRM250 MD32 engines.The design allows for straightforward installation during engine maintenance or rebuilds.The use of nodular cast iron enhances resistance to temperatures, supporting stable in various riding conditions.The inclusion of components meeting 105℃ volatility requirements indicates performance capability under elevated thermal loads.This piston ring set supports efficient engine whether used in regular riding or more intense usage scenarios.