Cylinder Piston Rings Gasket Kit 12100-7-a00 12100-5-600 For Rancher TRX420 FE FM TE TM 2007-2018 Material: Cast aluminum cylinder with steel sleeve Compression ratio: 9.9:1 Bore size: 86.50mm Fitment: Compatible with Rancher TRX420 FE FM TE TM models from 2007 to 2018 This kit includes: Cylinder, piston ring set, head gasket, base gasket, head cover gasket, and a complete cylinder stud kit for straightforward installation.The cast aluminum cylinder features a steel sleeve for increased wear resistance and structural integrity.The piston is designed with a 9.9:1 compression ratio to support efficient combustion and improved engine performance. The included gaskets are constructed to provide sealing across engine components.The kit is engineered to align with specifications, supporting proper fit and function.While professional installation is advised, the inclusion of all necessary hardware allows for self-installation by experienced users. Compatibility Statement: This is not an manufacturer part.Brand/model references are used for fitment guidance.