Multi-belt Pulley Kit for Volvo B230, 8V Cars: 240, 740, 940 Slot for original servo belt Material: Aluminum We have made these pulleys with a slot for a trigger wheel. This trigger wheel can be found here: TW13883361 and TW13883602 Smaller crankshaft pulley diameter + larger alternator pulley diameter = Maximum Efficiency Crankshaft pulley diameter: 115mm Alternator pulley diameter: 85mm Water pump pulley diameter: original 115mm Note: If you have a 740/940 alternator placement, you must move the servo forward so that it aligns properly with the crankshaft pulley. (Note: the AC pump cannot be used in this case.) Important: For 740, 940, there are different alternators and placements. You may need to adapt the pulley, alternator mount, and even the belt. Various modifications are required for different alternators. Ensure that the belt runs straight. There is 45 mm of play forward and backward in the alternator mount. Use spacers or preferably machine new bushings in nylon, etc., to p