This comprehensive 800 engine cylinder kit is Compatible multiple off-road vehicle models from 2005-2017. The kit features an 80mm bore cylinder and includes all essential components for a complete rebuild: two pistons with rings, two complete gasket sets, and piston pins. Compatible with Polaris various popular models including the Ranger 800 (2011-2017) Ranger Crew 800 (2011-2014) RZR 800 series (2008-2014 including standard， 4, and S models) and Sportsman 800 (2005-2014). The precision-engineered components are manufactured to exact specifications, ensuring proper fit and reliable performance. This complete kit provides everything needed for cylinder rebuilding, whether you're performing routine maintenance or addressing performance issues. Each component is carefully designed to restore your engine's power and efficiency to optimal levels. Perfect for mechanics and DIY enthusiasts who demand quality replacement parts for their vehicles.