The determine displays the vacuum clutch system. This type of clutch makes use of the prevailing vacuum within the engine manifold to work the clutch. The vacuum clutch includes a reservoir, non-return valve, vacuum cylinder with piston, and solenoid valve.  Go with a clutch kit so you might have matching https://clutchkereta68999.blogacep.com/38260600/5-essential-elements-for-clutch-plate