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170 amp racing alternator for 1963-1985 GM - BLACK (includes 2 pulleys)

170 amp racing alternator for 1963-1985 GM - BLACK (includes 2 pulleys)

$349.00
star_rate star_rate star_rate star_rate star_rate mode_comment 2 reviews edit Write a Review
SKU:
7127170B
Availability:
Most alternators are custom built to order. Standard build time is 2-3 weeks. If you need an alternator sooner than that, please contact a sales associate to see if any in-stock options are available.
Weight:
16 LBS

The S series of 6 phase hairpin 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 unit comes with a 2.5" V-Pulley installed and also includes a 2.1" 6 rib serpentine pulley for alternate applications.

This custom designed housing directly replaces standard Delco 10DN, 10SI and 12SI alternators on most 1963 through 1985 GM vehicles. A side output stud and seamless rear cover with a side output plug allow for better clearance from the back of the alternator to the front of the engine and a smooth appearance. A single wire on the provided pigtail gets connected to any ignition switched 12V+ source to turn the alternator on and off with the ignition switch.

Simply run a properly sized positive and ground cable from the alternator to the terminals of the battery and the alternator will work perfectly, regardless of what kind of wiring harness you have. Because of their compact size and standard GM mounting ears, these alternators also work well in many aftermarket or custom bracket installations.

Name
Model
Engine
Year(s)
Amperage
BUICK
All Early Models
Most Engines
63-79
170a
BUICK
Gran Sport
All Engines
65-67
170a
BUICK
Riviera
All Engines
63-70
170a
BUICK
Skylark
All Engines
63-79
170a
BUICK
Wildcat
All Engines
63-70
170a
CADILLAC
All Early Models
All Engines
63-85
170a
CHEVROLET
All Early Models
Most Engines
63-85
170a
CHEVROLET
C10 Pickup
All Engines
63-78
170a
CHEVROLET
Camaro
All Engines
67-80
170a
CHEVROLET
Caprice
All Engines
66-77
170a
CHEVROLET
Chevelle
All Engines
64-73
170a
CHEVROLET
Chevy II
All Engines
63-68
170a
CHEVROLET
Corvette
All Engines
63-79
170a
CHEVROLET
El Camino
All Engines
64-77
170a
CHEVROLET
Impala
All Engines
63-77
170a
CHEVROLET
Malibu
All Engines
64-77
170a
CHEVROLET
Monte Carlo
All Engines
70-77
170a
GMC
All Early Models
All Engines
63-85
170a
GMC
C15 Pickup
All Engines
67-78
170a
OLDSMOBILE
All Early Models
V-8
63-85
170a
OLDSMOBILE
442
All Engines
65-71
170a
OLDSMOBILE
Cutlass
All Engines
63-76
170a
OLDSMOBILE
F85
All Engines
63-72
170a
PONTIAC
Early models
V-8
63-85
170a
PONTIAC
Firebird
All Engines
67-70
170a
PONTIAC
GTO
All Engines
64-71
170a
PONTIAC
Tempest
All Engines
63-70
170a
PONTIAC
Ventura
All Engines
71-77
170a

2 Reviews

  • 170amp 1963-1985 GM Alt
    star_rate star_rate star_rate star_rate star_rate 5

    Posted by Shaun Wakefield on 6th Oct 2024

    Nice piece, I got it for a 1984 Buick turbo Regal Grand National. It had to be clocked but fit perfect otherwise. Ordered from another company, had scratches which was very disappointing. I was offered warranty but was on a time crunch. Shame on Summit for that.

  • Alternator
    star_rate star_rate star_rate star_rate star_rate 5

    Posted by Brett lillie on 17th Sep 2020

    Simply an amazing alternator. Crazy output at idle, smooth and voltage is rock solid. Will always order Mechman alternators.