S Series 170a racing alt - 63-85 GM - 1 wire - Chrome Vibe and will require a 1/2

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

-(1) 1/0 ga Input and (2) 4 ga and (2) 8 ga outputs

output of the source unit

S Series 170a racing alt - 63-85 GM - 1 wire - Chrome Vibe and will require a 1/2The 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