This cylinder body end rebuild kit is designed for 800cc V-Twin UTV engines used in models from HiSun, Massimo, Bennche, Supermach, Q Link, Big Muddy, Powermax, Nordik, and related brands (2008–2017).It is intended for engines experiencing low compression, cylinder blow-by, or piston seizure.Kit includes: - 1x Cylinder Body 1 (with tensioner hole) - 1x Cylinder Body 2 (without tensioner hole) - 1x Base Gasket for Cylinder Body 1 - 1x Base Gasket for Cylinder Body 2 - 1x Head Gasket for Cylinder Body 1 - 1x Head Gasket for Cylinder Body 2 - 2x Pistons (91mm standard bore, anodized for heat resistance) - 2x Wristpins (20mm diameter, 55mm length) - 2x Piston Ring Sets (standard size) - 2x Circlips Gaskets are made from performance-grade materials to support sealing integrity.The kit provides both cylinder body configurations used in the 800cc V-Twin engine.verify compatibility by comparing part numbers and physical design with your existing components before installation.Reference part numbers: - Cylinder Body Assy 1: 12110-010-0000, 12120-F68-0001 - Cylinder Body Assy 2: 12120-010-0000, 12120-F68-0002 - Cylinder Base Gasket: 12150-010-0000, 12150-F68-0000 - Cylinder Head Gasket: 12250-010-0000, 12250-F68-0000 - Piston (Std): 13101-010-0000, 13101-F68-0000 - Piston Pin: 13111-010-0000, 13111-F68-0000 - Piston Ring Set (Std): 13120-010-0000, 13120-F68-0000 - Circlips: 91301-010-0000, 91301-F68-0000