Material: Aluminum Color: Silver Cylinder Diameter: 77mm Cylinder Head Size: 98.5 x 77 x 51mm Piston Size: 77 x 44.5mm Piston Pin Size: 46 x 16mm Weight: 1500g Motorcycle Accessories 77mm Cylinder Block Piston Ring Pin Gasket Kit For NC250 ZS177MM MOTOLAND AVANTIS GR7 GR8 BRZ This cylinder kit is designed for use with NC250, ZS177MM, MOTOLAND AVANTIS GR7, GR8, BRZ, and compatible models.The 77mm big bore configuration supports improved engine stability and increased power output.Constructed from aluminum, the cylinder block contributes to reduced engine weight while maintaining structural integrity.The silver finish enhances the visual appeal of the engine compartment.The kit includes a 77mm cylinder block, piston, piston ring, pin set, and cylinder gasket set, providing all essential components for installation.Fitment is optimized for 77mm applications, with minimal setup.Components are engineered to function together , supporting consistent performance in on and off-road use.Installation does not require specialized tools or engine modifications, allowing for straightforward replacement or upgrade.