Mechman 240 Amp Alternator For Dodge Durango/Ram 5.7L 04-06*Most alternators are custom built to order. Standard build time is 10 14 days.* The S series of 6 phase alternators offers incredible output in a compact and durable package. Highly efficient, these units use less horsepower than conventional 3 phase alternators. 12 diodes, twin rectifier plates and outstanding airflow ensure long service life, even in severe conditions. This unit comes equipped with a smaller 1. 75 inch diameter alternator pulley,