Completely pre-assembled rear converter unit consisting of Torquedriver, back pressure spring, clutch bell and clutch. A defective torque converter is the most common cause of broken V-belts and is often noticeable in advance by humming when driving or jerking when starting. The converter is completely pre-assembled and only needs to be mounted on the transmission input shaft. The complicated assembly of the back pressure spring is not necessary. Scope of delivery as shown. Diameter clutch bell: 125mm Diameter pulley: 142mmAI-translation