S Series 240A alternator - 63-85 GM - 1 wire - Chrome 1973 - 1982 Installation Notes:

Installation Notes:

military applications

2L GM SOH engine

This unit is specially designed to replace 10DN/10SI/12SI alternators with 6

725 Strands

S Series 240A alternator - 63-85 GM - 1 wire - Chrome 1973 - 1982 Installation Notes:The 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