Fits: Honda CRF70, CT70, XR70, S65, C70, TRX70, ATC70, CL70, XL70. The cylinder piston set is the heart of the engine. It has been factory honed and deburred to help your new top end work efficiently. It uses solid cast iron and a black powder coat to give the cylinder an OE appearance. Piston set advantages - Cylinder piston ring and gaskets are constructed of premium materials to withstand high pressure and high temperature, ensuring long service life and reliability. - All piston assemblies are in mint condition and ready to install. No modification required. Quality and performance guaranteed. Replacement piston sets - Engineered from premium materials to provide exceptional service life and reliability. - Piston gasket kit with precise density to provide a reliable seal with minimal tightening. - Uses high-quality cast iron to meet tough demands, making it a superior choice for professional racing engines. Use scenarios - Top-end rebuild on Honda small-displacement models (CRF70, CT70, XR70, S65, C70, TRX70, ATC70, CL70, XL70) for restoration and reliable daily riding. - Off-road riding and amateur racing where durable, reliable top-end components are needed. - Professional racing engine builds or upgrades that require a high-quality cast-iron cylinder and piston set with OE-like appearance.