This motorcycle cylinder gasket full kit is designed to restore the sealing interface between the cylinder head and cylinder block.It compensates for flatness variations to prevent air leakage after assembly, the engine maintains the required compression ratio for proper.If the gasket is damaged, air leakage can occur during engine function, leading to compression loss and starting difficulties.This kit serves as a functional replacement to return the engine to its standard operating condition. Compatible With Z900 ZR900 models from 2017 to 2023. Compatible With ZR900 models from 2020 to 2023. Package Includes: One full set of motorcycle cylinder gaskets.Please verify fitment by checking detailed drawings or comparing with your parts before purchase.Installation should be performed following standard mechanical procedures.