MechMan S Series 170 Amp Racing Alternator - 63-85 GM - 1 Wire CK02 head flange for durability and

head flange for durability and an optimum sealing surface

3/16 in Aluminum Mandrel

JOES Micro Sprint Adjustable RR BirdCage gives your team a whole new level of options to find the perfect balance point for maximum speed

McLeod pressure plate bolts fasten your pressure plate to your flywheel for durable bolt-on performance

MechMan S Series 170 Amp Racing Alternator - 63-85 GM - 1 Wire CK02 head flange for durability andThe 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