320 amp S series alternator for early 5.9L Cummins 5.7L and output at engine idle

and output at engine idle RPM

Destroy unwanted vibrations and structure borne noise with best in class sound deadening mats

twin rectifier plates and outstanding airflow ensure make them as durable as possible

Be sure to calculate your pulley ratio for high RPM or racing applications to ensure the alternator is not over-spun when at high engine RPM

these units feature solid copper custom rectifiers with huge 65 amp diodes for great durability

320 amp S series alternator for early 5.9L Cummins 5.7L and output at engine idleThe S series of 6 phase alternators offers incredible output in a compact and durable package. Highly efficient, these units use less horsepower per Kw of power produced than conventional 3 phase alternators. 12 diodes, twin rectifier plates and outstanding airflow ensure long service life, even in severe conditions. Installation Notes: This unit comes equipped with a smaller 1. 75 inch diameter alternator pulley, and will require a slightly shorter