GM S-Series Engine Parts

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-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

-28%

Tuff Stuff |

#7457935E6G

Tuff Stuff 7935E6G GM Alternator, 105 Amp, 1-Wire/OEM, Black

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Powder Coated

$226.99

/each

$315.79

$123 Off

Tuff Stuff |

#7457935F6G22

Tuff Stuff 7935F6G22 GM Silver Bullet 160 Amp Alternator, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Chrome

$332.99

/each

$455.95

-30%

Tuff Stuff |

#7457127K6G

Tuff Stuff 7127K6G GM Alternator, 140 Amp, 1-Wire, Factory Cast

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$160.99

/each

$230.78

-31%

Tuff Stuff |

#7457127RATGRAY

Tuff Stuff 7127RATGRAY GM Alternator, 100 Amp, 1-Wire, Gray

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Painted

$169.99

/each

$246.80

GM Gen V Engine Guide | LT & EcoTec3 Engine Specs Guide

Inside GM’s Gen V LT engine family: history, tech, and performance of each LT engine option available.

Engine Firing Order | 1-8-4-3-6-5-7-2 | GM, Ford, Mopar & More

Learn correct spark plug firing orders for SBC, LS, Mopar, AMC, and Ford V8s, and learn what the correct firing order means for performance.

5.7 LS1 Engine Upgrades: Build Recipes for 400 HP-700+ HP

While everyone is looking for a 6.0 LS, don’t count out the original 5.7 LS1 engine for your next LS swap performance build

Racing a 602 GM Crate Engine

All you need to know about racing a 602 GM crate engine and the necessary parts to make a race ready engine.

GM 10-Bolt Identification and Upgrades | 7.625, 7.5, 8.2, 8.5, 8.6

GM’s 10-bolt rear axle has been around since the 1960s, here’s how to determine if your junkyard find is worth taking home

LQ4 Engine Build Upgrades | Recipes for 500HP - 1,000HP

Building GM’s LQ4 6.0L Gen 3 LS engine for various power levels is easy with the right performance parts recipe.

Gen III/IV LS Engine ID Guide

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

LS Swap Guide: GM 3 Speed / 4 Speed Parts List

Learn how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.

SBC 350 Build Combinations: Recipes for 300-600+ HP

The small block Chevy is still a great option for your muscle car, hot rod, or classic truck, just follow our build lists

What is a 604 Crate Motor? | 604 Crate Engine Explained

Learn all about what is a 604 crate motor and what it takes to run this small block Chevy in your race or street car.

-12%

Tuff Stuff |

#7457127NKP6G

Tuff Stuff 7127NKP6G GM Alternator, 140 Amp, 1-Wire, Polished

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Polished

$215.99

/each

$246.80

-28%

Tuff Stuff |

#7457140BU6G

Tuff Stuff 7140BBULL6G GM Silver Bullet 140 Amp Alternator, Pol

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Polished

$246.99

/each

$343.92

-18%

Powermaster |

#25527294364

Powermaster 27294-364 Street Alternator, 100 Amps, Serp, 12V, GM

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$193.99

/each

$238.75

-28%

Tuff Stuff |

#7457127NF6G

Tuff Stuff 7127NF6G GM Alternator, 100 Amp, 1-Wire, Stealth Black

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Powder Coated

$176.99

/each

$246.80

-26%

Tuff Stuff |

#7457935D

Tuff Stuff 7935D GM Alternator, 105 Amp, 1-Wire/OEM, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Chrome

$262.99

/each

$358.85

-24%

Powermaster |

#25537297313

Powermaster 37297-313 Smooth Look Alternator, 150A, Serp, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Chrome

$240.99

/each

$317.50

-34%

Tuff Stuff |

#7457127NBP

Tuff Stuff 7127NBP GM Alternator, 80 Amp, 1-Wire, Polished

One Wire Alternator:

Yes

Alternator Amperage:

80 amp

Alternator Finish:

Polished

$160.99

/each

$246.80

-22%

Tuff Stuff |

#7457127NJ

Tuff Stuff 7127NJ GM Alternator, 65 Amp, 1-Wire, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

65 amp

Alternator Finish:

Chrome

$179.99

/each

$233.62

-18%

Powermaster |

#25528247

Powermaster 28247 Street Alternator, 120A, Serpentine, 12V, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

120 amp

Alternator Finish:

Polished

$290.99

/each

$357.50

1973-93 GM Clamshell Engine Mounts, Pair

Speedway Motors |

#9109110

1973-93 GM Clamshell Engine Mounts, Pair

(13)

Attachment Style:

Bolt-on

Mount Material:

Steel

Bushing Material:

Rubber

$29.99

/kit

$115 Off

Tuff Stuff |

#7457935AU6G

Tuff Stuff 7935ABULL6G GM Silver Bullet 160 Amp Alternator, Chr

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Chrome

$292.99

/each

$407.66

-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 |

#25537297367

Powermaster 37297-367 Smooth Look Alternator, 150A, V-belt, Chevy

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Chrome

$250.99

/each

$317.50

-28%

Tuff Stuff |

#7457127ND6G

Tuff Stuff 7127ND6G GM Alternator, 100 Amp, 1-Wire, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$166.99

/each

$233.62

-34%

Tuff Stuff |

#7457127D6G

Tuff Stuff 7127D6G GM Alternator, 100 Amp 1-Wire, Factory Cast

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Natural

$126.99

/each

$194.34

-28%

Tuff Stuff |

#7457935DP6G

Tuff Stuff 7935DP6G GM Alternator, 105 Amp, 1-Wire/OEM, Polished

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Polished

$244.99

/each

$341.65

-34%

Tuff Stuff |

#7457127KU

Tuff Stuff 7127KBULL GM Silver Bullet 140 Amp Alternator, Cast

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$170.99

/each

$262.83

$104 Off

Tuff Stuff |

#7457935G6G

Tuff Stuff 7935G6G GM Alternator, 160 Amp, 1-Wire/OEM, Black

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Powder Coated

$254.99

/each

$358.86

$123 Off

Tuff Stuff |

#7457935FP6G22

Tuff Stuff 7935FP6G22 GM Alternator, 160 Amp, 1-Wire/OEM, Pol

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Polished

$312.99

/each

$435.68

-18%

Powermaster |

#2557297

Powermaster 7297 Smooth Look Alternators, 100 AMP

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Natural

$176.99

/each

$216.25

-22%

Tuff Stuff |

#7457935G6G22

Tuff Stuff 7935FP6G22 GM Alternator, 160 Amp, 1-Wire/OEM, Pol

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Polished

$325.99

/each

$422.20

-28%

Tuff Stuff |

#745793511G

Tuff Stuff 7935-11G GM Alternator, 105 Amp, 1-Wire/OEM, Cast

One Wire Alternator:

Yes

Alternator Amperage:

105 amp

Alternator Finish:

Natural

$237.99

/each

$332.60

$101 Off

Tuff Stuff |

#7457935G

Tuff Stuff 7935G GM Alternator, 160 Amp, 1-Wire/OEM, Black

One Wire Alternator:

Yes

Alternator Amperage:

160 amp

Alternator Finish:

Powder Coated

$257.99

/each

$358.86

Proform |

#58667052

Proform 67052 Chevrolet Starter4.41:1 Gear Reduction

Starter Size:

Mini

Flywheel/Flexplate Tooth Count:

168-tooth

Mount Type:

Bolt-On

$153.99

/each

-30%

Tuff Stuff |

#7457127NKB6G

Tuff Stuff 7127NKB6G GM Alternator, 140 Amp, 1-Wire, Black

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Powder Coated

$171.99

/each

$246.80

-31%

Tuff Stuff |

#7457127NKBW6G

Tuff Stuff 7127NKBW6G GM Alternator, 140 Amp, 1-Wire, Stealth Blk

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Textured

$180.99

/each

$263.26

-34%

Tuff Stuff |

#7457127NB6G

Tuff Stuff 7127NB6G GM Alternator, 80 Amp, 1-Wire, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

80 amp

Alternator Finish:

Chrome

$152.99

/each

$233.62

-22%

Tuff Stuff |

#7457127NBP6G

Tuff Stuff 7127NBP6G GM Alternator, 80 Amp, 1-Wire, Polished

One Wire Alternator:

Yes

Alternator Amperage:

80 amp

Alternator Finish:

Polished

$190.99

/each

$246.80

-22%

Tuff Stuff |

#7457127KU6G

Tuff Stuff 7127KBULL6G GM Silver Bullet 140 Amp Alternator, Cast

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$202.99

/each

$262.83

-22%

Tuff Stuff |

#7457127NE6G

Tuff Stuff 7127NE6G GM Alternator, 80 Amp, 1-Wire, Stealth Black

One Wire Alternator:

Yes

Alternator Amperage:

80 amp

Alternator Finish:

Powder Coated

$191.99

/each

$249.14

-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

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GM S-Series Engine Parts

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Products

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

Tuff Stuff 7935E6G GM Alternator, 105 Amp, 1-Wire/OEM, Black

Tuff Stuff 7935F6G22 GM Silver Bullet 160 Amp Alternator, Chrome

Tuff Stuff 7127K6G GM Alternator, 140 Amp, 1-Wire, Factory Cast

Tuff Stuff 7127RATGRAY GM Alternator, 100 Amp, 1-Wire, Gray

Related Articles

Tuff Stuff 7127NKP6G GM Alternator, 140 Amp, 1-Wire, Polished

Tuff Stuff 7140BBULL6G GM Silver Bullet 140 Amp Alternator, Pol

Powermaster 27294-364 Street Alternator, 100 Amps, Serp, 12V, GM

Tuff Stuff 7127NF6G GM Alternator, 100 Amp, 1-Wire, Stealth Black

Tuff Stuff 7935D GM Alternator, 105 Amp, 1-Wire/OEM, Chrome

Powermaster 37297-313 Smooth Look Alternator, 150A, Serp, Chevy

Tuff Stuff 7127NBP GM Alternator, 80 Amp, 1-Wire, Polished

Tuff Stuff 7127NJ GM Alternator, 65 Amp, 1-Wire, Chrome

Powermaster 28247 Street Alternator, 120A, Serpentine, 12V, Chevy

1973-93 GM Clamshell Engine Mounts, Pair

Tuff Stuff 7935ABULL6G GM Silver Bullet 160 Amp Alternator, Chr

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

Powermaster 37297-367 Smooth Look Alternator, 150A, V-belt, Chevy

Tuff Stuff 7127ND6G GM Alternator, 100 Amp, 1-Wire, Chrome

Tuff Stuff 7127D6G GM Alternator, 100 Amp 1-Wire, Factory Cast

Tuff Stuff 7935DP6G GM Alternator, 105 Amp, 1-Wire/OEM, Polished

Tuff Stuff 7127KBULL GM Silver Bullet 140 Amp Alternator, Cast

Tuff Stuff 7935G6G GM Alternator, 160 Amp, 1-Wire/OEM, Black

Tuff Stuff 7935FP6G22 GM Alternator, 160 Amp, 1-Wire/OEM, Pol

Powermaster 7297 Smooth Look Alternators, 100 AMP

Tuff Stuff 7935FP6G22 GM Alternator, 160 Amp, 1-Wire/OEM, Pol

Tuff Stuff 7935-11G GM Alternator, 105 Amp, 1-Wire/OEM, Cast

Tuff Stuff 7935G GM Alternator, 160 Amp, 1-Wire/OEM, Black

Proform 67052 Chevrolet Starter4.41:1 Gear Reduction

Tuff Stuff 7127NKB6G GM Alternator, 140 Amp, 1-Wire, Black

Tuff Stuff 7127NKBW6G GM Alternator, 140 Amp, 1-Wire, Stealth Blk

Tuff Stuff 7127NB6G GM Alternator, 80 Amp, 1-Wire, Chrome

Tuff Stuff 7127NBP6G GM Alternator, 80 Amp, 1-Wire, Polished

Tuff Stuff 7127KBULL6G GM Silver Bullet 140 Amp Alternator, Cast

Tuff Stuff 7127NE6G GM Alternator, 80 Amp, 1-Wire, Stealth Black

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