This cylinder base head gasket kit is designed for use with TNT600, BJ600, BN600 (2017–2019), and BN600I (2014–2015) motorcycle engines.It provides heat insulation and sound attenuation, with good sealing function and resistance to corrosion and extreme temperatures.Made from metal and paper materials, the kit is environmentally friendly and contains no radiation.Each package includes one complete cylinder gasket set suitable for standard maintenance or repair procedures.