The To4E35 Chra Cartridge is a type of turbocharger cartridge, also known as a turbo core or CHRA (Center Housing Rotating Assembly). It is the central part of a turbocharger, consisting of the turbine wheel, compressor wheel, and the bearing system. This cartridge is designed to increase the power output of an engine by supplying compressed air to the combustion chamber. The To4E35 model is known for its durability and high performance.