Street Alternators

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GM Denso Style 1-Wire Mini Race Alternator, 90 Amp

Speedway Motors |

#2891004

GM Denso Style 1-Wire Mini Race Alternator, 90 Amp

(32)

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Pulley Style:

V-belt

as low as

$162.99

/each

Proform |

#586141147

Proform 141-147 Slant-Edge Alternator, GM 10SI, 100 Amp, Black

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$269.95

/each

Speedway Motors |

#2891001

GM 10SI 1 Wire Alternator, 110 Amp

(41)

One Wire Alternator:

Yes

Alternator Amperage:

110 amp

Pulley Style:

V-belt

as low as

$149.99

/each

-27%

Powermaster |

#25517294

Powermaster 17294 GM 12SI 100 Amp Alternator, Chrome

(32)

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome plated

$162.99

/each

$225.00

-21%

Powermaster |

#25547293

Powermaster 47293 Street Alternator, 150 Amps, V-belt, 12V, GM

(3)

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Natural

$184.99

/each

$235.00

Why Convert to A One Wire Alternator

Learn how to hook up a 1-wire alternator on your vehicle. 1-wire alternators are perfect for engine swaps or just keeping things simple for your project.

Alternator Bracket Install on a 454 Big Block Chevy

Kevin W. walks through each step of installing a new alternator bracket on a 454 Big Block Chevy.

Speedway Motors to Debut New Products at 52nd Annual Street Rod Nationals

Speedway Motors announced today a list of new products that will be debuted Aug. 5-8 at National Street Rod Association’s (NSRA) 52nd Annual Street Rod Nationals in Louisville, Ky.

Selecting the Right Wire Size for Automotive Alternator to Battery Applications

Selecting the right battery cable wire size for automotive alternator to battery applications is crucial for optimal electrical performance and preventing potential issues. Our guide helps you choose the right wire gauge for any length of wire run.

Alternator vs Generator Pros & Cons | Conversion Tips for Your Car

If you're considering upgrading your classic car's charging system with an generator to alternator conversion, here are some helpful tips.

GM Alternator Identification

Learn about GM alternator identification in our guide. We cover GM 3 wire alternators, 1 wire alternators, and externally regulated so you know what to choose.

Ford Alternator Buying Guide

Brief review of the different types of Ford alternators and regulators available through Speedway Motors.

Battery Relocation to Trunk or Other Area of Your Vehicle

There are several aspects of a properly relocated battery installation. Our guide will help you ensure that your relocation goes smoothly.

New Product Display - NSRA Street Rod Nationals 2019

Check out our new products we have on display at the 50th anniversary NSRA Street Rod Nationals and some new products from some of our favorite vendors.

Brake System Diagram - Street Rod

Use our Brake System diagram to help with your street rod brake system project. We also diagram both single flare and inverted double flare fittings for you.

-24%

Powermaster |

#25567293

Powermaster 67293 GM 12SI 150 Amp Alternator, Polished

(15)

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Polished

$197.99

/each

$263.75

Proform |

#586141148

Proform 141-148 Slant-Edge Alternator, GM 10SI, 100 Amp, Orange

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$269.95

/each

-22%

Powermaster |

#2557294

Powermaster 7294 GM 12SI 100 Amp Alternator, Natural

(21)

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Natural

$152.99

/each

$197.50

-23%

Powermaster |

#25557293

Powermaster 57293 GM 12si Alternator, 150A, 1V Belt, Black

(1)

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Powder Coated

$195.99

/each

$257.50

$158 Off

Powermaster |

#255820512

Powermaster 82051-2 PowerGEN Early GM Alternator, 12-Volt, Black

(7)

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Alternator Finish:

Powder Coated

$452.99

/each

$611.25

Proform |

#586141146

Proform 141-146 Slant-Edge Alternator, GM 10SI, 100 Amp, Black

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Matte

$269.95

/each

-19%

Powermaster |

#25537293

Powermaster 37293 GM 12SI 150 Amp Alternator, Chrome

(49)

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Chrome

$211.99

/each

$263.75

Proform |

#586141152

Proform 141-152 Slant-Edge Alternator, GM 10SI, 100 Amp, Black

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Matte

$269.95

/each

Proform |

#586141156

Proform 141-156 Slant-Edge Alternator, GM 10SI, 100 Amp, Silver

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$272.99

/each

-26%

Powermaster |

#2557018

Powermaster 7018 Retro Alternator, 95 Amps, V-belt, 12V, Chrysler

(3)

One Wire Alternator:

Alternator Amperage:

95 amp

Alternator Finish:

Natural

$188.99

/each

$258.75

-34%

Tuff Stuff |

#91033053

Tuff Stuff 7068RF Ford 1 Wire Smooth Black Ford Alternator, 100 AMP

(2)

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Powder Coated

$160.99

/each

$246.80

Proform |

#586141150

Proform 141-150 Slant-Edge Alternator, GM 10SI, 100 Amp, Red

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$269.95

/each

Proform |

#586141153

Proform 141-153 Slant-Edge Alternator, GM 10SI, 100 Amp, Gray

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Matte

$267.99

/each

Proform |

#586141151

Proform 141-151 Slant-Edge Alternator, GM 10SI, 100 Amp, Silver

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$276.99

/each

-29%

Tuff Stuff |

#91033073

Tuff Stuff 7068ABULL7 Silver Bullet 1 Wire Ford Alternator, 100 AMP

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Black Chrome

$218.99

/each

$312.60

-30%

Powermaster |

#2558172

Powermaster 8172 Race Alternator, 55 Amps, V-belt, 12V

One Wire Alternator:

Yes

Alternator Amperage:

55 amp

Alternator Finish:

Natural

$177.99

/each

$256.25

-29%

Powermaster |

#25527294

Powermaster 27294 GM 12SI 100 Amp Alternator, Polished

(15)

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$157.99

/each

$225.00

-34%

Tuff Stuff |

#91033013

Tuff Stuff 7127D 1 Wire Alternator, 100 AMP, V Groove Pulley

(17)

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Natural

$126.99

/each

$194.34

$153 Off

Powermaster |

#2558896

Powermaster 8-896 Drag Race Alternator Kit, 55A, V-belt, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

55 amp

Alternator Finish:

Powder Coated

$402.99

/each

$556.25

-31%

Tuff Stuff |

#7457068RFRED

Tuff Stuff 7068RFRED Ford Alternator, 100 Amp, 1-Wire, Red

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Painted

$169.99

/each

$246.80

-25%

Powermaster |

#2558002

Powermaster 8002 12SI GM Alternator, 100 Amp

(8)

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Natural

$146.99

/each

$197.50

King Chrome GM One Wire Alternator, 100 Amp

Speedway Motors |

#91067101

King Chrome GM One Wire Alternator, 100 Amp

(18)

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome plated

$135.99

/each

-34%

Tuff Stuff |

#91070686G

Tuff Stuff 70686G 100 AMP 1 Wire 6 Groove Pulley

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Natural

$126.99

/each

$194.34

$126 Off

Powermaster |

#2558875

Powermaster 8-875 Drag Race Alternator Kit, 55A, V-belt, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

55 amp

Alternator Finish:

Powder Coated

$402.99

/each

$528.75

-26%

Powermaster |

#25557297

Powermaster 57297 GM 12SI 150 Amp Smooth Look Alternator, Black

(12)

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Powder Coated

$208.99

/each

$282.50

-18%

Powermaster |

#25558206

Powermaster 58206 Street Alternator, 150A, Serpentine, 12V, Chevy

(1)

One Wire Alternator:

Alternator Amperage:

150 amp

Alternator Finish:

Powder Coated

$266.99

/each

$327.50

Proform |

#586141149

Proform 141-149 Slant-Edge Alternator, GM 10SI, 100 Amp, Gray

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Matte

$269.95

/each

$106 Off

Powermaster |

#91068128

Powermaster 8162 50 Amp Mini Racing Alternator

(3)

One Wire Alternator:

Yes

Alternator Amperage:

50 amp

Alternator Finish:

Powder Coated

$237.99

/each

$343.75

$109 Off

Tuff Stuff |

#7459509RFSP

Tuff Stuff 9509RFSP 1960-88 Chrysler Alternator, 130 Amp, Black

One Wire Alternator:

Alternator Amperage:

130 amp

Alternator Finish:

Powder Coated

$279.99

/each

$389.24

-30%

Tuff Stuff |

#7457078NJ

Tuff Stuff 7078NJ Ford Alternator, 140 Amp, Ext Reg, Cast

One Wire Alternator:

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$168.99

/each

$244.40

-18%

Powermaster |

#255847141

Powermaster 8-47141 Street Alternator, 150A, V-belt, 12V, Ford

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Natural

$237.99

/each

$291.25

Showing 1 - 36 of 1,325 results

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Street Alternators

One Wire Alternator

Brand

Application

Availability

Discounts

Make

Engine Family

Platform

Price

Customer Rating

Products

GM Denso Style 1-Wire Mini Race Alternator, 90 Amp

Proform 141-147 Slant-Edge Alternator, GM 10SI, 100 Amp, Black

GM 10SI 1 Wire Alternator, 110 Amp

Powermaster 17294 GM 12SI 100 Amp Alternator, Chrome

Powermaster 47293 Street Alternator, 150 Amps, V-belt, 12V, GM

Related Articles

Powermaster 67293 GM 12SI 150 Amp Alternator, Polished

Proform 141-148 Slant-Edge Alternator, GM 10SI, 100 Amp, Orange

Powermaster 7294 GM 12SI 100 Amp Alternator, Natural

Powermaster 57293 GM 12si Alternator, 150A, 1V Belt, Black

Powermaster 82051-2 PowerGEN Early GM Alternator, 12-Volt, Black

Proform 141-146 Slant-Edge Alternator, GM 10SI, 100 Amp, Black

Powermaster 37293 GM 12SI 150 Amp Alternator, Chrome

Proform 141-152 Slant-Edge Alternator, GM 10SI, 100 Amp, Black

Proform 141-156 Slant-Edge Alternator, GM 10SI, 100 Amp, Silver

Powermaster 7018 Retro Alternator, 95 Amps, V-belt, 12V, Chrysler

Tuff Stuff 7068RF Ford 1 Wire Smooth Black Ford Alternator, 100 AMP

Proform 141-150 Slant-Edge Alternator, GM 10SI, 100 Amp, Red

Proform 141-153 Slant-Edge Alternator, GM 10SI, 100 Amp, Gray

Proform 141-151 Slant-Edge Alternator, GM 10SI, 100 Amp, Silver

Tuff Stuff 7068ABULL7 Silver Bullet 1 Wire Ford Alternator, 100 AMP

Powermaster 8172 Race Alternator, 55 Amps, V-belt, 12V

Powermaster 27294 GM 12SI 100 Amp Alternator, Polished

Tuff Stuff 7127D 1 Wire Alternator, 100 AMP, V Groove Pulley

Powermaster 8-896 Drag Race Alternator Kit, 55A, V-belt, Chevy

Tuff Stuff 7068RFRED Ford Alternator, 100 Amp, 1-Wire, Red

Powermaster 8002 12SI GM Alternator, 100 Amp

King Chrome GM One Wire Alternator, 100 Amp

Tuff Stuff 70686G 100 AMP 1 Wire 6 Groove Pulley

Powermaster 8-875 Drag Race Alternator Kit, 55A, V-belt, Chevy

Powermaster 57297 GM 12SI 150 Amp Smooth Look Alternator, Black

Powermaster 58206 Street Alternator, 150A, Serpentine, 12V, Chevy

Proform 141-149 Slant-Edge Alternator, GM 10SI, 100 Amp, Gray

Powermaster 8162 50 Amp Mini Racing Alternator

Tuff Stuff 9509RFSP 1960-88 Chrysler Alternator, 130 Amp, Black

Tuff Stuff 7078NJ Ford Alternator, 140 Amp, Ext Reg, Cast

Powermaster 8-47141 Street Alternator, 150A, V-belt, 12V, Ford

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