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Product Summary

Universal Fit, One Wire Alternator, Internal Regulator

  • 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
See more details

Key Specs

MFG. Part #
One Wire AlternatorYes
Alternator Amperage90 amp
Alternator Finish
Pulley StyleV-belt
See more specs

Need To Know

Quick and Easy Returns

Return Policy

Details

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
  • 6.15" mount center to center
  • 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

 

Specifications

KEY SPECS
MFG. Part #
BrandSpeedway Motors
One Wire AlternatorYes
Alternator Amperage90 amp
Alternator Finish
Pulley StyleV-belt
Belt TypeV-Belt
GENERAL
Alternator Case StyleNippondenso
Voltage Required12-Volt
RegulatorInternal
Regulator IncludedYes
Alternator Pulley IncludedYes
Alternator Pulley Grooves1 V-groove
Pulley Diameter2.5"
Alternator Pulley MaterialSteel
Alternator Pulley FinishBlack Painted
Belt Width0.67"
Alternator Fan IncludedNo
Alternator Brackets IncludedNo
Outside Diameter5"
Overall Length5.75"
ColorBlack
Sold in QuantityEach
Centerline of Holes6.25"
Notes

Ratings & Reviews

4.7

29 Reviews

Overall Assessment

Customers appreciate our product for its compact design, able to fit into tight engine compartments with ease - a feature that sets it apart from the competition. The high power output of the alternator, even in its small size, is praised, along with its plug-and-play setup which simplifies the mounting process. Some customers insist on creating a dedicated ground for optimal performance. It is the ideal solution for those needing to replace larger alternators or generators in vintage or limited-space vehicles. However, customers noted that the product may require slight modifications to fit certain models. Overall, our product is recommended for its functionality, size, and value.

4.7

29 reviews

5

25

4

2

3

0

2

0

1

2

Most Liked Positive Review

5.0

it is exactly what i was looking for

I looked everywhere for a mini alternator that would fit into the tight engine compartment of my 1928 Plymouth coupe that has a 500 cu.in big block amd have enough amperage to run all the electrical at low rpm when crusing around town at night. This unit is perfact.

Most Liked Negative Review

1.0

Failed after 2 weeks

This mini alternator is a great idea but it cost over $100 expedited freight to find out they don't actually work.

Filter by Ratings

just what I needed.

5.0

2 months ago

jfb05177

north carolina

Verified

thanks for the assistance in placing order. arrived when promised. installed and working

Would Recommend

I recommend this to any hot rod builder

5.0

4 months ago

34 Plymouth

Needles

Verified

Put this on my 34 Plymouth hot rod it works great easy to install

Would Recommend

I would buy again

5.0

10 months ago

Dirtfun3

Oregon

Verified

Install was easy

Would Recommend

Good stuff

5.0

11 months ago

Speed Rush

Roswell, ID

Verified

Bought this for my new bracket race build. Wanted a smaller alternator but didn't want to spend the big prices for the other brands. Definitely a win here.

Would Recommend

just getting a charge out of things

5.0

a year ago

drunk

bedford va

Verified

great little product for a small place

Would Recommend

Hope it works as good as it looks

5.0

a year ago

Wego

Trumpmaga, Wisconsin

Verified

Haven't used it yet but fits up rather nicely

Would Recommend

Great

4.0

a year ago

Fordfan

Iowa

Verified

Use on my drag car . Made close to 1000 passes in the last two years

Would Recommend

Nice price

5.0

2 years ago

Jimmyjett04@gmail.com

Merrill wisconsin

Verified

Charging my Model A

Would Recommend

Nice looking

5.0

2 years ago

Paul

Elk grove ca

Doesn't fit power master bracket as it to big across but it does fit speedway bracket that is on back order, lucky I had a bracket to make it work

Would Recommend

90A Denso style .

5.0

2 years ago

Mark

Sugar Land , Texas

Verified

Needed a small high output alternator to mount on quick change rearend

Would Recommend

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