Material: Aluminum Engine: ZS174MN-3 Bore Size: 77mm Piston Pin Size: 16mm Weight: 2102g Fitment: For ZS174MN-3 CBS300 Engine Upgrade To 350cc Upgrade the ZS174MN-3 engine with this 77mm cylinder kit designed for CBS300 and CBS350 engines.The aluminum cylinder block is built to handle performance demands while supporting engine longevity.The kit includes Japan RIK competition piston rings, known for effective sealing and , which contribute to improved engine efficiency and power output.Installation is straightforward but requires an additional water pipe for cooling, not included with the kit.This setup provides a displacement increase from the standard 300cc to 350cc and is compatible with the ZS174MN-3 engine.The kit contains all essential components: cylinder block, piston, piston pin, piston rings, and gaskets, offering a complete solution for engine displacement.The construction balances strength and weight, helping maintain motorcycle handling characteristics after the upgrade.Designed for use with the ZS174MN-3 engine, this kit supports performance enhancements for both everyday riding and demand applications.This cylinder kit fits various models using the compatible engine platform, allowing for increased power while maintaining on the road or track.