This hydraulic clutch master cylinder system has a 43cc fluid capacity and is designed as a replacement component for compatible motocross and street motorcycles.It features a compact design for improved ergonomics and.The unit is built from aluminum and reinforced internal components to handle the demands of off-road and performance riding environments.Installation is intended for users familiar with motorcycle hydraulic systems, and compatibility should be verified with the vehicle's make, model, and year prior to purchase.