Modified 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

(31)

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Pulley Style:

V-belt

as low as

$162.99

/each

$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

$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

$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

$128 Off

Powermaster |

#91068121

Powermaster 8-800 SB Chevy 50 Amp Mini Alternator Kit w/V-Belt

(4)

One Wire Alternator:

Yes

Alternator Amperage:

53 amp

Alternator Finish:

Powder Coated

$399.99

/each

$527.50

IMCA Modified Spec Engine Guide | Everything You Need to Know

There's a new spec engine option for the 2025 IMCA Modified season. Here's what you need to know.

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.

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.

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.

Vintage Air SureFit Air Conditioning Kit Installation - 1965 Mustang

Learn about the installation process for a Vintage Air SureFit Air Condtioning Kit. Alanna C. walks you through as she installs the A/C kit in her 65 Mustang.

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.

Modifying Axles to Lower a Hot Rod

Learn how to lower a hot rod by modifying the axles and some history behind early hop ups. This project features a Ford axle with wishbones for a Model A.

Ford Alternator Buying Guide

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

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.

Quick Change Bolt On Components for a Modified Race Car

This article demonstrates how to install a complete Winters quick change kit with additional parts including birdcages, brackets, and calipers for a modified race car.

$164 Off

Powermaster |

#91068120

Powermaster 8-801 SB Chevy 50 Amp Mini Alternator Kit w/Serp-Belt

(7)

One Wire Alternator:

Yes

Alternator Amperage:

53 amp

Alternator Finish:

Powder Coated

$363.99

/each

$527.50

-27%

Powermaster |

#25575191

Powermaster 75191 Alternator, Chrysler, 95 Amp, 1-Wire

(7)

One Wire Alternator:

Yes

Alternator Amperage:

95 amp

Alternator Finish:

Natural

$209.99

/each

$291.25

-18%

Powermaster |

#2558192

Powermaster 8192 Race Alternator, 75 Amps, V-belt, 12V

One Wire Alternator:

Yes

Alternator Amperage:

75 amp

Alternator Finish:

Natural

$244.99

/each

$300.00

-18%

Powermaster |

#2558198

Powermaster 8198 Race Alternator, 75 Amps, V-belt

One Wire Alternator:

Yes

Alternator Amperage:

75 amp

Alternator Finish:

Natural

$289.99

/each

$356.25

-20%

Powermaster |

#25537297344

Powermaster 37297-344 Smooth Look Alternator, 140A, V-belt, 12V

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$243.99

/each

$308.75

$155 Off

Powermaster |

#91068124

Powermaster 8-881 Snug Mount 100 AMP Alternator Kit

(1)

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Powder Coated

$402.99

/each

$557.50

-18%

Powermaster |

#25528182

Powermaster 28182 Race Alternator, 75 Amps, V-belt, 12V

One Wire Alternator:

Yes

Alternator Amperage:

75 amp

Alternator Finish:

Polished

$373.99

/each

$461.25

$126 Off

Powermaster |

#25528188

Powermaster 28188 XS Volt Alternator, 75 Amps, V-belt

One Wire Alternator:

Yes

Alternator Amperage:

75 amp

Alternator Finish:

Polished

$406.99

/each

$532.50

$115 Off

Powermaster |

#255577491

Powermaster 577491 Street Alternator, 155A, Serpentine, 12V, Ford

One Wire Alternator:

Yes

Alternator Amperage:

155 amp

Alternator Finish:

Powder Coated

$318.99

/each

$433.75

$103 Off

Powermaster |

#25528166

Powermaster 28166 Race Alternator, 55 Amps, V-belt, 16V

One Wire Alternator:

Yes

Alternator Amperage:

55 amp

Alternator Finish:

Polished

$345.99

/each

$448.75

$129 Off

Powermaster |

#2558146

Powermaster 8146 Race Alternator, 150 Amps, 16V

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Powder Coated

$413.99

/each

$542.50

Speedway 1-Wire 14-Volt Racing Alternator

Speedway Motors |

#91068100

Speedway 1-Wire 14-Volt Racing Alternator

(11)

One Wire Alternator:

Yes

Alternator Amperage:

80 amp

Alternator Finish:

Natural

$122.99

/each

-19%

Powermaster |

#2558173

Powermaster 8173 Denso Style Race Alternator, 75A, 100mm, Natural

(1)

One Wire Alternator:

Yes

Alternator Amperage:

75 amp

Alternator Finish:

Natural

$237.99

/each

$296.25

$126 Off

Powermaster |

#25582091

Powermaster 82091 PowerGEN Alternator, 90 Amps, V-belt, 12V

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Alternator Finish:

Powder Coated

$373.99

/each

$500.00

$108 Off

Powermaster |

#255820912

Powermaster 82091-2 PowerGEN Alternator, 90 Amps, V-belt, 12V

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Alternator Finish:

Powder Coated

$419.99

/each

$527.50

-20%

Powermaster |

#25581021

Powermaster 8102 Race Alternator, 65 Amps, 12V

One Wire Alternator:

Yes

Alternator Amperage:

65 amp

Alternator Finish:

Natural

$232.99

/each

$292.50

$111 Off

Powermaster |

#2558158

Powermaster 8158 XS Volt Alternator, 160 Amps, Internal

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Powder Coated

$472.99

/each

$583.75

$132 Off

Powermaster |

#2558152

Powermaster 8152 Race Alternator, 180 Amps, 12V

One Wire Alternator:

Yes

Alternator Amperage:

180 amp

Alternator Finish:

Powder Coated

$423.99

/each

$556.25

-22%

Powermaster |

#2558163

Powermaster 8163 Denso Style Race Alternator, 75A, 100mm, Black

One Wire Alternator:

Yes

Alternator Amperage:

75 amp

Alternator Finish:

Powder Coated

$297.99

/each

$382.50

$143 Off

Powermaster |

#2558156

Powermaster 8156 Race Alternator, 180 Amps, 16V

One Wire Alternator:

Yes

Alternator Amperage:

180 amp

Alternator Finish:

Powder Coated

$426.99

/each

$570.00

$132 Off

Powermaster |

#255282091

Powermaster 282091 PowerGEN Alternator, 90 Amps, V-belt, 12V

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Alternator Finish:

Polished

$423.99

/each

$556.25

-18%

Powermaster |

#255857140347

Powermaster 8-57140-347 Smooth Look Alternator, 150A, Serp, Ford

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Powder Coated

$275.99

/each

$338.75

$122 Off

Powermaster |

#2558142

Powermaster 8142 Race Alternator, 150 Amps, 12V

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Powder Coated

$405.99

/each

$527.50

$137 Off

Powermaster |

#2558136

Powermaster 8136 Race Alternator, 100 Amps, 12V

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Powder Coated

$350.99

/each

$487.50

$118 Off

Powermaster |

#2558132

Powermaster 8132 Race Alternator, 100 Amps, 12V

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Powder Coated

$354.99

/each

$472.50

$140 Off

Powermaster |

#2558148

Powermaster 8148 XS Volt Alternator, 150 Amps, Internal

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Powder Coated

$415.99

/each

$556.25

$103 Off

Powermaster |

#2558164

Powermaster 8164 Denso Style Race Alternator, 75A, Black, XS Volt

One Wire Alternator:

Yes

Alternator Amperage:

75 amp

Alternator Finish:

Powder Coated

$345.99

/each

$448.75

$132 Off

Powermaster |

#2558122

Powermaster 8122 Race Alternator, 115 Amps, 12V

One Wire Alternator:

Yes

Alternator Amperage:

115 amp

Alternator Finish:

Powder Coated

$355.99

/each

$487.50

-18%

Powermaster |

#25528163

Powermaster 28163 Denso Style Race Alternator, 75A, 100mm, Polish

One Wire Alternator:

Yes

Alternator Amperage:

75 amp

Alternator Finish:

Polished

$385.99

/each

$476.25

-22%

Powermaster |

#2558111

Powermaster 8111 Race Alternator, 100 Amps, 12V

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Natural

$302.99

/each

$388.75

-22%

Powermaster |

#2558116

Powermaster 8116 Race Alternator, 100 Amps, 16V

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Natural

$312.99

/each

$403.75

Showing 1 - 36 of 89 results

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Modified Alternators

One Wire Alternator

Brand

Availability

Discounts

Engine Family

Price

Customer Rating

Products

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

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

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

Powermaster 8162 50 Amp Mini Racing Alternator

Powermaster 8-800 SB Chevy 50 Amp Mini Alternator Kit w/V-Belt

Related Articles

Powermaster 8-801 SB Chevy 50 Amp Mini Alternator Kit w/Serp-Belt

Powermaster 75191 Alternator, Chrysler, 95 Amp, 1-Wire

Powermaster 8192 Race Alternator, 75 Amps, V-belt, 12V

Powermaster 8198 Race Alternator, 75 Amps, V-belt

Powermaster 37297-344 Smooth Look Alternator, 140A, V-belt, 12V

Powermaster 8-881 Snug Mount 100 AMP Alternator Kit

Powermaster 28182 Race Alternator, 75 Amps, V-belt, 12V

Powermaster 28188 XS Volt Alternator, 75 Amps, V-belt

Powermaster 577491 Street Alternator, 155A, Serpentine, 12V, Ford

Powermaster 28166 Race Alternator, 55 Amps, V-belt, 16V

Powermaster 8146 Race Alternator, 150 Amps, 16V

Speedway 1-Wire 14-Volt Racing Alternator

Powermaster 8173 Denso Style Race Alternator, 75A, 100mm, Natural

Powermaster 82091 PowerGEN Alternator, 90 Amps, V-belt, 12V

Powermaster 82091-2 PowerGEN Alternator, 90 Amps, V-belt, 12V

Powermaster 8102 Race Alternator, 65 Amps, 12V

Powermaster 8158 XS Volt Alternator, 160 Amps, Internal

Powermaster 8152 Race Alternator, 180 Amps, 12V

Powermaster 8163 Denso Style Race Alternator, 75A, 100mm, Black

Powermaster 8156 Race Alternator, 180 Amps, 16V

Powermaster 282091 PowerGEN Alternator, 90 Amps, V-belt, 12V

Powermaster 8-57140-347 Smooth Look Alternator, 150A, Serp, Ford

Powermaster 8142 Race Alternator, 150 Amps, 12V

Powermaster 8136 Race Alternator, 100 Amps, 12V

Powermaster 8132 Race Alternator, 100 Amps, 12V

Powermaster 8148 XS Volt Alternator, 150 Amps, Internal

Powermaster 8164 Denso Style Race Alternator, 75A, Black, XS Volt

Powermaster 8122 Race Alternator, 115 Amps, 12V

Powermaster 28163 Denso Style Race Alternator, 75A, 100mm, Polish

Powermaster 8111 Race Alternator, 100 Amps, 12V

Powermaster 8116 Race Alternator, 100 Amps, 16V

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