S Series 170a racing alt - 63-85 GM - 1 wire - Chrome Vibe OR DUAL ALTERNATOR BOTTOM

OR DUAL ALTERNATOR BOTTOM

and will require a 1/2 inch to 3/4 inch shorter than stock length belt

This can reduce the overall size of the controller to allow for fitment into smaller locations

Based on our late model large case GM housings

and decorative cover already custom fitted to the alternator

S Series 170a racing alt - 63-85 GM - 1 wire - Chrome Vibe OR DUAL ALTERNATOR BOTTOMThe S series of 6 phase alternators offers incredible low RPM 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 much better durability than standard Delco based alternators, even in severe conditions. This custom designed housing directly replaces standard Delco 10DN, 10SI and 12SI alternators on most 1963