MechMan S Series 170 Amp Racing Alternator - 63-85 GM - 1 Wire Water Pump Back Plate Adjustable Bearing Spacer For Outer

Adjustable Bearing Spacer For Outer ID

the casing can withstand heat and abuse

This is the cause of many worn tires

0" Hg / #HLY125-25 - Opening Vacuum 2

performance and improve throttle response

MechMan S Series 170 Amp Racing Alternator - 63-85 GM - 1 Wire Water Pump Back Plate Adjustable Bearing Spacer For OuterThe 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