Powermaster 27294 GM 12SI 100 Amp Alternator, Polished

Description

Includes a single groove, V-style pulley, Will work as either a 1 or 3 wire operation, It is internally regulated and has a high quality polished finish, Puts out 100 amp with 70 amps at idle and 90 amps at cruising speed, Designed to replace 1965-1985 alternators with straight mount 6.61 inch bolt spacing
Powermaster 27294 GM 12SI 100 Amp Alternator, Polished
Sku # 25527294
Mfr. Part # 27294
Condition
New
Brand
Powermaster
Sold
Each
Details
Info
Powermaster's most popular GM alternator fits most models, 1965-'85 with straight mount 6.61 inch bolt spacing.
Works as 1 or 3 wire operation
Internally regulated
Pulley included, single groove
V-belt style
100 amp with 70 amps at idle, and 90 amps at cruising speed
Hand buffed, polished, and high colored for beautiful polished finish
Powermaster Alternator FAQ's (Link)
See the difference between the popluar alternators we offer by reading our tech article, GM Alternator Buying Guide (Link) and learn how to correctly install your new 1-wire alternator by reading our tech article, 1-Wire Alternator Conversion (Link).
Charts
(PDF)
WARNING: Cancer and Reproductive Harm -- p65Warnings.ca.gov
Specs
Sold in Quantity
Each
Belt Type
V-Belt
MFG. Part #
27294
Pulley Style
Serpentine
One Wire Alternator
Yes
GTIN Code
692209001980
Regulator Included
Yes
Belt Width
0.375
Alternator Pulley Included
Yes
Voltage Required
12-Volt
Alternator Amperage
100 amp
Alternator Finish
Polished
Alternator Case Style
GM 12SI
Alternator Brackets Included
No
Belt Included
No
Regulator Style
Internal
Reviews
Yes
Rated
by hot rod hoodlum on October 23, 2020
Summary:
Great upgrade
Yes, I recommend this product.
I would buy this one again
Rated
by Mad max on September 19, 2020
Summary:
I have been using this alternator for years. Always performs as advertised.
Yes, I recommend this product.
Product as describe in addition to quality
Rated
by Bubble Coupe 88 on March 13, 2020
Summary:
Quality exceptional.......would use Speedway Motors again
Cons:
No Cons
Pros:
Delivery great service
Great tech and sales service
Quality
Yes, I recommend this product.
Just enough shine.
Rated
by chvyetr92 on December 17, 2017
Summary:
Perfect if you don't want chrome!
Yes, I recommend this product.
Great looks plus performance.
Rated
by Skipper on September 20, 2017
Summary:
Easy to install. I would recommend it to friend.
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Small Block Chevy Lower Alternator Bracket, Stainless
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Powermaster 57297 GM 12SI 150 Amp Smooth Look Alternator, Black
Powermaster 67293 GM 12SI 150 Amp Alternator, Polished
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 69 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
Return Policy
We want you to be satisfied with your purchase. If within 60 days after you receive your shipment and you are not satisfied, you may return the item for a refund. Refunds will be processed (1-2) days after the item is received by Speedway. All returned merchandise must be in original factory condition with no modifications or alterations. A restocking fee up to 15% may be applied if items are not in new condition.
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All fiberglass items returned will be subject to a 15% restocking charge. No returns on electrical parts, DVDs, and books unless they are defective. Absolutely no returns on special order or closeout merchandise.
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Guarantee
Speedway accepts full responsibility for the accuracy of our listings and product representation. If an egregious shipping or description error occurs, we are happy to assist with a replacement or refund.
Disclaimer
Due to our large inventory and the diversity of our product line, the stock photo used may not be an exact representation of the item you are bidding on. Please read all product information carefully before purchase to avoid any order issues.