Cylinder Piston Rings Gasket Kit 86.5mm For Rancher TRX420 FE FM TE TM 2007-2018 12100-7-a00 End Engine Rebuild Set The Cylinder Piston Rings Gasket Kit is designed for use with Rancher TRX420 models from 2007 to 2018.Constructed with a cast aluminum cylinder and steel sleeve, this rebuild set supports under conditions.The forged piston features a 9.9:1 compression ratio, contributing to improved engine output.A complete gasket kit is included to help maintain proper sealing during engine. This end engine rebuild set also includes a full cylinder stud kit, supporting secure assembly during installation.The components are built to match the specifications of the , allowing for straightforward integration into the engine block.Designed for compatibility with 86.5mm bore applications, the kit supports efficient heat dissipation and consistent performance in off-road use. Compatibility Disclaimer: This is not an OEM item.Mentioned brands/models are used strictly for fitment illustration.