Motorcycle Bore Size 57mm Air Cylinder Block & Piston & Piston Rings & Head Gasket For GS125 GS 125 Engine Parts Item Diameter: 5.7cm Number of Cylinders: 1 Cylinder Bore: STD (57mm) Item Type: Motorcycle Cylinder Kit Package Included: Cylinder, Piston, Pin, Piston Rings, Head Gasket Special Features: Performance enhancement Model Name: Cylinder & Piston Ring & Gasket Optimized Performance for Your Ride This motorcycle cylinder kit with a bore size of 57mm is designed for the GS125 engine, providing improved performance and efficient.The kit includes a cylinder block, piston, piston pin, piston rings, and head gasket, offering a complete solution for engine rebuilding.It is engineered as a direct fit for the 125cc GS125 engine, supporting both replacement and performance.and Construction The cylinder block is constructed from aluminum , selected for its strength and heat resistance.The components are built to withstand operating temperatures up to 105℃, performance under various riding conditions.Each part is manufactured to meet ISO9001 standards, reflecting consistent quality and durability.Easy Installation and Bulk Availability Designed for straightforward installation, this cylinder kit allows for easy replacement of worn engine components.The parts are machined for proper fitment, simplifying the rebuild process.Suitable for mechanics and riders performing engine maintenance, the kit supports efficient restoration of engine function.Available in multi-unit quantities for those requiring multiple sets.