Chevy R30 Alternators

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Chevy R30

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-20%

Powermaster |

#255278021362

Powermaster 278021-362 Street Alternator, 105 Amps, V-belt, 12V

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Polished

$243.99

/each

$307.50

-20%

Powermaster |

#255178021362

Powermaster 178021-362 Street Alternator, 105 Amps, V-belt, 12V

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Chrome

$243.99

/each

$307.50

-20%

Powermaster |

#25537293344

Powermaster 37293-344 Alternator, 150 Amp

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Chrome

$225.99

/each

$283.75

-21%

Powermaster |

#255378021362

Powermaster 378021-362 Street Alternator, 140 Amps, V-belt, 12V

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$264.99

/each

$337.50

-20%

Powermaster |

#255678021

Powermaster 678021 Street Alternator, 140 Amps, V-belt, 12V

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Polished

$243.99

/each

$307.50

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.

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.

Radiator Hose Replacement - Big Block Chevy

How to install a chrome radiator hose kit and aluminum thermostat housing on a big block Chevy for an added touch to your engine bay.

Water Pump Options for the Chevy Crate Engine

In this Tech Tip, a customer asked for some recommendations on water pumps for his 1934 Chevy Coupe build.

How To Set Up Multiple Carburetors on a Vintage Engine

There's a right and wrong way to run a two-barrel carburetor on your vintage engine. Check out this guide about how to select the correct carburetor for your Flathead or vintage engine.

C10 Rear Drop Springs Installation

Read how to install rear drop spring to lower a 1969 C10 pickup. Follow these steps for a smooth installation.

Speedway Tech Talk - Derby Car Radiators

Looking for an inexpensive radiator for your derby car? Check out this video to see why the Speedway Motors Universal Aluminum Radiator is the perfect solution.

Rear Control Arm Replacement

Learn how replace lower and upper rear control arms. Read up on racer Steve's A-body control arm replacement and the bushings included kit he recommends.

-23%

Powermaster |

#255378028362

Powermaster 378028-362 XS Volt Alternator, 140 Amps, V-belt

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$280.99

/each

$367.50

Tuff Stuff |

#7457139BU6G12

Tuff Stuff 7139BBUL6G12 GM Silver Bullet 100 Amp Alternator, Pol

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$255.99

/each

Tuff Stuff |

#7457140AU6G12

Tuff Stuff 7140ABUL6G12 GM Silver Bullet 140 Amp Alternator, Chr

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$337.99

/each

-20%

Powermaster |

#25547402

Powermaster 47402 Street Alternator, 140A, Serpentine, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$221.99

/each

$277.50

-21%

Powermaster |

#255374021

Powermaster 374021 Street Alternator, 140 Amps, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$264.99

/each

$337.50

-21%

Powermaster |

#25567402

Powermaster 67402 Street Alternator, 140A, Serpentine, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Polished

$264.99

/each

$337.50

-20%

Powermaster |

#25557402

Powermaster 57402 Street Alternator, 140A, Serpentine, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Powder Coated

$243.99

/each

$307.50

-20%

Powermaster |

#255474021

Powermaster 474021 Street Alternator, 140 Amps, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$221.99

/each

$277.50

-24%

Powermaster |

#255574021

Powermaster 574021 Street Alternator, 140 Amps, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Powder Coated

$230.99

/each

$307.50

-21%

Powermaster |

#255674021

Powermaster 674021 Street Alternator, 140 Amps, V-belt, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Polished

$264.99

/each

$337.50

-24%

Powermaster |

#2558018

Powermaster 8018 XS Volt Alternator, 105 Amps, Serpentine, GM

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Natural

$224.99

/each

$297.50

-23%

Powermaster |

#2558012

Powermaster 8012 Race Alternator, 105 Amps, Serpentine, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Natural

$204.99

/each

$268.75

Tuff Stuff |

#7457139AU6G12

Tuff Stuff 7139ABUL6G12 GM Silver Bullet 100 Amp Alternator, Chr

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$278.99

/each

Tuff Stuff |

#7457127NF6G12

Tuff Stuff 7127NF6G12 GM Alternator, 100 Amp, 1-Wire, Stealth Blk

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Powder Coated

$246.99

/each

Tuff Stuff |

#7457127NKP6G12

Tuff Stuff 7127NKP6G12 GM Alternator, 140 Amp, 1-Wire, Polished

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Polished

$246.99

/each

Tuff Stuff |

#7457127NKB6G12

Tuff Stuff 7127NKB6G12 GM Alternator, 140 Amp, 1-Wire, Black

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Powder Coated

$246.99

/each

Tuff Stuff |

#7457127ND6G12

Tuff Stuff 7127ND6G12 GM Alternator, 100 Amp, 1-Wire, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$233.99

/each

Tuff Stuff |

#7457127K6G12

Tuff Stuff 7127K6G12 GM Alternator, 140 Amp, 1-Wire, Factory Cast

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$230.99

/each

Tuff Stuff |

#7457127NK6G12

Tuff Stuff 7127NK6G12 GM Alternator, 140 Amp, 1-Wire, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$262.99

/each

-18%

Powermaster |

#255278021

Powermaster 278021 Street Alternator, 105 Amps, V-belt, 12V

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Polished

$226.99

/each

$277.50

-23%

Powermaster |

#255178021

Powermaster 178021 Street Alternator, 105 Amps, V-belt, 12V

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Chrome

$210.99

/each

$277.50

-24%

Powermaster |

#255378021

Powermaster 378021 Street Alternator, 140 Amps, V-belt, 12V

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$230.99

/each

$307.50

-9%

PerTronix |

#447AL82N-90

PerTronix AL82N-90 VW 90 Amp Alternator, Natural Finish

One Wire Alternator:

Alternator Amperage:

90 amp

Alternator Finish:

Natural

$255.28

/each

$280.81

-9%

PerTronix |

#447AL82N-90P

PerTronix AL82N-90P VW 90 Amp Alternator, Polished Finish

One Wire Alternator:

Alternator Amperage:

90 amp

Alternator Finish:

Polished

$416.69

/each

$458.36

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

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

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

-7%

Holley |

#425197303

Holley 197-303 Premium Alternator, 150A, Black

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Powder Coated

$549.95

/each

$592.95

-6%

Holley |

#425197304

Holley 197-304 Premium Alternator, 150A, Polished

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Polished

$699.95

/each

$749.95

$158 Off

Tuff Stuff |

#7458435C6G1W

Tuff Stuff 8435C6G1W LS 1 Wire Alternator, 225A, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

225 amp

Alternator Finish:

Chrome

$401.99

/each

$559.83

-20%

Powermaster |

#25528468114

Powermaster 28468-114 Race Alternator, 90A, XS Volt 1 Wire Reg

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Alternator Finish:

Polished

$358.99

/each

$448.75

Showing 1 - 36 of 340 results

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Chevy R30 Alternators

Year

One Wire Alternator

Brand

Availability

Discounts

Engine Family

Price

Customer Rating

Products

Powermaster 278021-362 Street Alternator, 105 Amps, V-belt, 12V

Powermaster 178021-362 Street Alternator, 105 Amps, V-belt, 12V

Powermaster 37293-344 Alternator, 150 Amp

Powermaster 378021-362 Street Alternator, 140 Amps, V-belt, 12V

Powermaster 678021 Street Alternator, 140 Amps, V-belt, 12V

Related Articles

Powermaster 378028-362 XS Volt Alternator, 140 Amps, V-belt

Tuff Stuff 7139BBUL6G12 GM Silver Bullet 100 Amp Alternator, Pol

Tuff Stuff 7140ABUL6G12 GM Silver Bullet 140 Amp Alternator, Chr

Powermaster 47402 Street Alternator, 140A, Serpentine, 12V, GM

Powermaster 374021 Street Alternator, 140 Amps, V-belt, 12V, GM

Powermaster 67402 Street Alternator, 140A, Serpentine, 12V, GM

Powermaster 57402 Street Alternator, 140A, Serpentine, 12V, GM

Powermaster 474021 Street Alternator, 140 Amps, V-belt, 12V, GM

Powermaster 574021 Street Alternator, 140 Amps, V-belt, 12V, GM

Powermaster 674021 Street Alternator, 140 Amps, V-belt, 12V, GM

Powermaster 8018 XS Volt Alternator, 105 Amps, Serpentine, GM

Powermaster 8012 Race Alternator, 105 Amps, Serpentine, 12V, GM

Tuff Stuff 7139ABUL6G12 GM Silver Bullet 100 Amp Alternator, Chr

Tuff Stuff 7127NF6G12 GM Alternator, 100 Amp, 1-Wire, Stealth Blk

Tuff Stuff 7127NKP6G12 GM Alternator, 140 Amp, 1-Wire, Polished

Tuff Stuff 7127NKB6G12 GM Alternator, 140 Amp, 1-Wire, Black

Tuff Stuff 7127ND6G12 GM Alternator, 100 Amp, 1-Wire, Chrome

Tuff Stuff 7127K6G12 GM Alternator, 140 Amp, 1-Wire, Factory Cast

Tuff Stuff 7127NK6G12 GM Alternator, 140 Amp, 1-Wire, Chrome

Powermaster 278021 Street Alternator, 105 Amps, V-belt, 12V

Powermaster 178021 Street Alternator, 105 Amps, V-belt, 12V

Powermaster 378021 Street Alternator, 140 Amps, V-belt, 12V

PerTronix AL82N-90 VW 90 Amp Alternator, Natural Finish

PerTronix AL82N-90P VW 90 Amp Alternator, Polished Finish

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

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

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

Holley 197-303 Premium Alternator, 150A, Black

Holley 197-304 Premium Alternator, 150A, Polished

Tuff Stuff 8435C6G1W LS 1 Wire Alternator, 225A, Chrome

Powermaster 28468-114 Race Alternator, 90A, XS Volt 1 Wire Reg

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