Alternator produces max 90 amps at max rpm (68 amps at turn on 1600 RPM), Its compact and lightweight design allows for installation in the tightest spaces, Features a 1 wire installation and is 12V compatible, Has an internal regulator and includes a V-style pulley, Available in a plain or black finish to better suit your style
GM Denso Style 1-Wire Mini Race All Black Alternator, 90 Amp Speedway Motors
GM Denso Style 1-Wire Mini Race All Black Alternator, 90 Amp
Sku # 2891004-BLK
Mfr. Part # 2891004-BLK
Condition
New
Brand
Speedway Motors
Sold
Each
Details
Info

Speedway Motors mini alternators are a great addition to your engine, whether it’s for the great look or the reliable high-amperage output. This alternator produces max 90 amps at max rpm (68 amps at turn on 1600 RPM), which will generally meet the demand of a hot rod or race application. Its compact and lightweight design allows for installation in the tightest spaces.

Specifications:

  • Alternator Style: Nippondenso
  • Maximum Amperage Output: 90 Amps (68 amps @ turn on 1600 RPM)
  • Voltage Compatibility: 12 Volts
  • One-Wire Capable: Yes
  • Regulator Style: Internal
  • Regulator Included: Yes
  • Pulley Included: Yes
  • Pulley Style: V-belt
  • Finish: Choose Satin or Black

Specs
Sold in Quantity
Each
Belt Type
V-Belt
Color
Black
Regulator
Internal
One Wire Alternator
Yes
Regulator Included
Yes
Alternator Amperage
90 amp
Alternator Case Style
Nippondenso
Pulley Style
V-belt
MFG. Part #
ES1004BK
Notes
PULLEY NUT THREADS M14-1.5
Reviews

Great product...fits into tight places

Rated
Product Rating
by Stacey loy on February 09, 2022

Summary: Great product..fits into tight places

Yes, I recommend this product.

Happy charging system now

Rated
Product Rating
by Hotrod Mark on September 17, 2021

Summary: I had no adjustment clearance with a standard size alternator, in my 74' Chevy Luv truck with a 427ci small block. This little alternator fit and gave me plenty of room for adjustment.

Yes, I recommend this product.

I would buy this again

Rated
Product Rating
by johnboy on August 09, 2021

Summary: On a big block chevelle with meizere electric water pump

Cons: Runs Hot

Pros: compact fits great

Yes, I recommend this product.

Would buy again

Rated
Product Rating
by Cracker on April 12, 2021

Summary: Nothing unexpected, works fine for my application with slight modifications

Yes, I recommend this product.

Mini alt for hotrods

Rated
Product Rating
by Bill on April 06, 2021

Summary: This is a great piece for a tight engine compartment.

Yes, I recommend this product.

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Low Mount Alternator Bracket for Mini Race Alternator, SBC
Low Mount Alternator Bracket for Mini Race Alternator, SBC
Tech Support
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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 72 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.