The 'ROCKER SHAFT (SHORT EXHAUST)' is a critical mechanical component for Citroën models such as the HY, ID, and DS 19. This part plays a crucial role in the vehicle's drivetrain by controlling the airflow into and out of the engine's cylinders. The short exhaust design ensures more efficient combustion and improved performance. Made from strong, durable materials, it is designed to last and withstand high temperatures and pressures. This component contributes to the unique driving experience offered by classic Citroën models.