C/K Series Engine Parts

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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

$246.99

/each

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

$263.99

/each

Tuff Stuff |

#7457127NB6G

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

One Wire Alternator:

Yes

Alternator Amperage:

80 amp

Alternator Finish:

Chrome

$233.99

/each

Tuff Stuff |

#7457127NBP6G

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

One Wire Alternator:

Yes

Alternator Amperage:

80 amp

Alternator Finish:

Polished

$246.99

/each

Tuff Stuff |

#7457127KU6G

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

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Natural

$262.99

/each

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

Assembly and Engine Start | 1968 C10 Build Episode 8

It's alive! Our 1968 C10 truck project is one step closer to our first drive. In this episode, our old truck finally comes to life with a cammed junkyard LS.

Speedway Motors to Debut New Products, C10 Build at 2023 SEMA Show

Speedway Motors announced today they will debut new products along with their C10 build in their booth (#22891) at the 2023 SEMA Show Oct. 31-Nov. 3 in Las Vegas, Nev.

LT1 Engine Build Combinations | Recipes for 400–700+ HP

Build a high-performance Gen V LT engine with proven power combos and learn about LT upgrades and tuning tips for maximum power

Chevy L79 327 Engine I History, Specs, & Build Ideas

The 1964 Corvette L79 327 is legendary, learn more about this storied engine and what you need to build a clone.

Ford 302 Build Combinations: Recipes for 300-500+ HP

Ford’s 302ci small block V8 is one of Ford’s best engine designs and is capable of great power with the right parts

Daily Driver Maintenance with K&N Cold Air Intake

Jeff K. doesn't just limit his tendencies to the classics. His daily drivers get the special treatment as well. Take his 2015 Mazda6, for example. Among the changes Jeff made was to install a K&N Performance Air Intake kit.

Historic Indy Engines

To celebrate the upcoming 106th running of the Indianaplis 500, here's a look back at a few of the engines that have competed at the Brickyard over the years.

Engine Cylinder Numbers

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!

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

$249.99

/each

Tuff Stuff |

#7457127NFBWDP

Tuff Stuff 7127NFBWDP GM Alternator, 100 Amp, Black Wrinkle

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Textured

$246.99

/each

Tuff Stuff |

#7457127NKBWDP

Tuff Stuff 7127NKBWDP GM Alternator, 140 Amp, 1-Wire, Blk Wrinkle

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Textured

$263.99

/each

-28%

Tuff Stuff |

#7457127ND6G7

Tuff Stuff 7127ND6G7 GM Alternator, 100 Amp, 1-Wire, Blk Chrome

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Black Chrome

$215.99

/each

$300.36

Tuff Stuff |

#7457127DU6G

Tuff Stuff 7127DBULL6G GM Silver Bullet 100 Amp Alternator, Cast

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Natural

$233.99

/each

Proform |

#58666432

Proform 66432 50-Amp Mini Alternator Black Finish, 1 Wire

One Wire Alternator:

Yes

Alternator Amperage:

50 amp

Alternator Finish:

Textured

$150.99

/each

Tuff Stuff |

#7457127NG

Tuff Stuff 7127NG GM Alternator, 6 Volt, Chrome, Negative Ground

One Wire Alternator:

Alternator Amperage:

65 amp

Alternator Finish:

Chrome

$233.99

/each

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

$230.99

/each

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

$194.99

/each

-22%

Powermaster |

#25519112

Powermaster 19112 PowerMAX Starter, Mini, Chrome, Chevy

Starter Size:

Mini

Flywheel/Flexplate Tooth Count:

168-tooth

Mount Type:

Offset

$221.99

/each

$286.25

-19%

Powermaster |

#2559200

Powermaster 9200 Starter, Chevy Ram Jet 350/502, 168 Tooth

(4)

Starter Size:

Full Size

Flywheel/Flexplate Tooth Count:

168-tooth

Mount Type:

Offset

$189.99

/each

$236.25

Chevy V8 Mini Starter, Gear Reduction Super High Torque SBC, BBC

Speedway Motors |

#2897001-BLK

Chevy V8 Mini Starter, Gear Reduction Super High Torque SBC, BBC

(66)

Starter Size:

Mini

Flywheel/Flexplate Tooth Count:

153-tooth/168-tooth

Mount Type:

Inline

$164.99

/each

Tuff Stuff |

#7457127NF9

Tuff Stuff 7127NF9 GM Alternator, 100 Amp, 1-Wire, Stealth Black

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Powder Coated

$246.99

/each

-7%

Hooker BlackHeart 70101504-1HKR LS Long Tube Headers, Coated

Hooker Headers |

#425701015041HKR

Hooker BlackHeart 70101504-1HKR LS Long Tube Headers, Coated

Header Tube Type:

Long Tube

Primary Tube Diameter:

1-7/8"

Collector Diameter:

3 Inch

$584.95

/set

$633.95

$339 Off

Hooker BlackHeart 70101503-1HKR LS Long Tube Headers, Coated

Hooker Headers |

#425701015031HKR

Hooker BlackHeart 70101503-1HKR LS Long Tube Headers, Coated

Header Tube Type:

Long Tube

Primary Tube Diameter:

1-3/4"

Collector Diameter:

3 Inch

$294.95

/set

$633.95

Proform |

#58666513

Proform 66513 8"" Harmonic Balancer SB Chevy 400

$102.99

/each

Proform |

#58666511

Proform 66511 8"" Harmonic Balancer SB Chevy Engines

$101.99

/each

1955-68 Small Block Chevy Single Groove Lower Pulley, Short Water Pump

Speedway Motors |

#91015422

1955-68 Small Block Chevy Single Groove Lower Pulley, Short Water Pump

(21)

Material Type:

Steel

Sold in Quantity:

Each

$25.99

/each

Proform |

#58666510

Proform 66510 6-3/4"" Harmonic Balancer Internal

GTIN Code:

037995365104

$93.99

/each

-16%

Powermaster |

#255886

Powermaster 886 SBC Billet Alternator Bracket, Mid Mount

(1)

Material Type:

Billet Aluminum

Sold in Quantity:

Each

$81.99

/each

$98.75

Proform |

#58666922C

Proform 66922C Gen 2 SB Chevy Rockers; Steel

Rocker Arm Style:

Roller Tip

Rocker Arm Ratio:

1.6:1

Stud Size:

.375"

$107.99

/set

Proform |

#58666908C

Proform 66908C Super-Street Chevy Aluminum Roller Rockers

Rocker Arm Style:

Roller

Rocker Arm Ratio:

1.6:1

Stud Size:

.375"

$194.99

/set

1955-1968 Chevy Short Pump Double Groove Upper Pulley

Speedway Motors |

#91015423

1955-1968 Chevy Short Pump Double Groove Upper Pulley

(14)

Outside Diameter:

6.32"

Groove Count:

Water Pump Style:

Short

$47.99

/each

Tuff Stuff |

#7457635

Tuff Stuff 7635 GM 10DN Replacement External Regulator

(2)

Voltage:

12 volts

Terminal Type:

Spade

Sold in Quantity:

Each

$21.99

/each

Edelbrock |

#3259709

Edelbrock 9709 Intake Valve Seat, 2.02 Inch

Inside Diameter:

1.830 in.

Outside Diameter:

2.200 in.

Overall Thickness:

0.312 in.

$24.95

/each

$171 Off

Powermaster |

#255478068SPL

Powermaster 478068SPL XS Volt Alternator, 300 Amp

One Wire Alternator:

Yes

Alternator Amperage:

300 amp

Alternator Finish:

Natural

$529.99

/each

$701.25

Dayco |

#31711046

Powerbond ® By Dayco Street Performance Harmonic Balancer 350

$184.99

/each

Tuff Stuff |

#7457127NDP9

Tuff Stuff 7127NDP9 GM Alternator, 100 Amp, 1-Wire, Polished

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$232.99

/each

Proform |

#58666907

Proform 66907 Super-Street Chevy Aluminum Roller Rockers

Rocker Arm Style:

Roller

Rocker Arm Ratio:

1.5:1

Stud Size:

.375"

$194.99

/set

Proform |

#58666910

Proform 66910 Super-Street Chevy Aluminum Roller Rockers

Rocker Arm Style:

Roller

Rocker Arm Ratio:

1.6:1

Stud Size:

.4375"

$222.99

/set

Proform |

#58666906B

Proform 66906B SB Chevy Rockers; Steel

Rocker Arm Style:

Roller Tip

Rocker Arm Ratio:

1.5:1

Stud Size:

.375"

$105.99

/set

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C/K Series Engine Parts

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Products

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

Related Articles

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

Tuff Stuff 7127NFBWDP GM Alternator, 100 Amp, Black Wrinkle

Tuff Stuff 7127NKBWDP GM Alternator, 140 Amp, 1-Wire, Blk Wrinkle

Tuff Stuff 7127ND6G7 GM Alternator, 100 Amp, 1-Wire, Blk Chrome

Tuff Stuff 7127DBULL6G GM Silver Bullet 100 Amp Alternator, Cast

Proform 66432 50-Amp Mini Alternator Black Finish, 1 Wire

Tuff Stuff 7127NG GM Alternator, 6 Volt, Chrome, Negative Ground

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

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

Powermaster 19112 PowerMAX Starter, Mini, Chrome, Chevy

Powermaster 9200 Starter, Chevy Ram Jet 350/502, 168 Tooth

Chevy V8 Mini Starter, Gear Reduction Super High Torque SBC, BBC

Tuff Stuff 7127NF9 GM Alternator, 100 Amp, 1-Wire, Stealth Black

Hooker BlackHeart 70101504-1HKR LS Long Tube Headers, Coated

Hooker BlackHeart 70101503-1HKR LS Long Tube Headers, Coated

Proform 66513 8"" Harmonic Balancer SB Chevy 400

Proform 66511 8"" Harmonic Balancer SB Chevy Engines

1955-68 Small Block Chevy Single Groove Lower Pulley, Short Water Pump

Proform 66510 6-3/4"" Harmonic Balancer Internal

Powermaster 886 SBC Billet Alternator Bracket, Mid Mount

Proform 66922C Gen 2 SB Chevy Rockers; Steel

Proform 66908C Super-Street Chevy Aluminum Roller Rockers

1955-1968 Chevy Short Pump Double Groove Upper Pulley

Tuff Stuff 7635 GM 10DN Replacement External Regulator

Edelbrock 9709 Intake Valve Seat, 2.02 Inch

Powermaster 478068SPL XS Volt Alternator, 300 Amp

Powerbond ® By Dayco Street Performance Harmonic Balancer 350

Tuff Stuff 7127NDP9 GM Alternator, 100 Amp, 1-Wire, Polished

Proform 66907 Super-Street Chevy Aluminum Roller Rockers

Proform 66910 Super-Street Chevy Aluminum Roller Rockers

Proform 66906B SB Chevy Rockers; Steel