1985 GMC S15 Engine Parts

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1985 GMC S15

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1985 GMC S15

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Truck

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Truck Accessories

Products

-28%

Tuff Stuff |

#7457127NFRED

Tuff Stuff 7127NFRED GM Alternator, 100 Amp, 1 Wire, Red

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Painted

$176.99

/each

$246.80

-34%

Tuff Stuff |

#7457127NDP

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

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Chrome

$150.99

/each

$232.28

-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

-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

-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

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.

55 Chevy Engine Build

Derek kicks off his 55 Chevy rebuild with a fresh small block.

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!

On the Dyno at Speedway Motors Racing Engines

The dyno at the Speedway Motors Racing Engine shop is always humming. We set up a camera in the cell to catch a few of the engines that have passed through the door recently.

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.

Air Fuel Ratio Tuning on a Sprint Car Engine

Learn what goes into setting the fuel for your engine and how to change the density altitude, ADR, main pill and high speed pressure to optimize a/f ratio.

NASCAR Engines Through the Years

In honor of NASCAR's 75th anniversary, we're taking a look at a few remarkable engines that have powered our favorite racers to victory through the years.

Speedway Tech Talk - SA2015 Helmets

Tim talks about the new SA2015 helmets and what we have to offer.

T-5 Transmission

Check out these tips on T-5 transmissions!

’40 Style 15” Steering Wheel

Speedway Motors employee Jeff K. has hand his hands on a lot of projects through the years. Check out his how-to on the repaint of the steering wheel on his '46 Ford Sedan Delivery.

-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 |

#7457127DU6G

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

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Natural

$181.99

/each

$233.62

-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 |

#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

-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

-34%

Tuff Stuff |

#7457127NKP

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

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Polished

$183.99

/each

$282.06

-23%

Tuff Stuff |

#7457127

Tuff Stuff 7127 GM Alternator, Internal Regulator, 80 Amp, 1-Wire

(1)

One Wire Alternator:

Yes

Alternator Amperage:

80 amp

Alternator Finish:

Natural

$142.99

/each

$186.48

-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

-22%

Tuff Stuff |

#7457127NH

Tuff Stuff 7127NH GM Alternator, 6 Volt, Black, Negative Ground

One Wire Alternator:

Alternator Amperage:

65 amp

Alternator Finish:

Powder Coated

$191.99

/each

$247.47

-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

-32%

Tuff Stuff |

#7457127NKB

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

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Powder Coated

$166.99

/each

$246.80

-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

-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

-22%

Tuff Stuff |

#7457127NFBWDP

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

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Textured

$190.99

/each

$246.80

-22%

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

$204.99

/each

$263.26

-22%

Tuff Stuff |

#7457127DU

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

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Natural

$179.99

/each

$233.62

-15%

Tuff Stuff |

#7457139FURED

Tuff Stuff 7139FBULLRED GM Silver Bullet 100 Amp Alternator, Red

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Painted

$221.99

/each

$262.83

-20%

Tuff Stuff |

#7457139BU

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

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$199.99

/each

$252.95

-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

-21%

Tuff Stuff |

#7457139BU6G

Tuff Stuff 7139BBULL6G GM Silver Bullet 100 Amp Alternator, Pol

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$199.99

/each

$255.79

-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

-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

-22%

Tuff Stuff |

#7457127NG

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

One Wire Alternator:

Alternator Amperage:

65 amp

Alternator Finish:

Chrome

$181.99

/each

$233.62

K&N |

#465HP2001

K&N HP-2001 Performance Gold Oil Filter

Oil Filter Style:

Canister

Outside Diameter:

$17.99

/each

C4 Corvette LS Swap Long Tube Headers for LS1, 5.3, 6.0, LS3

Speedway Motors |

#916C4003

C4 Corvette LS Swap Long Tube Headers for LS1, 5.3, 6.0, LS3

(6)

Header Tube Type:

Full-Length

Primary Tube Diameter:

1-3/4"

Material Type:

Steel

$387.99

/kit

ICT BILLET |

#82651216

ICT Billet 551216-KN40 LS Gen 4 Knock Sensor Relocation Brackets

$100.00

/each

Holley |

#42512887

Holley 12-887 By Pass Style Carbureted Fuel Pressure Regulator

(7)

Regulator Style:

Return

Material Type:

Aluminum

$84.35

/each

Mobil Delvac Extreme 122454 Diesel Engine Oil, 10W-30, 4 Gallons

Mobil 1 |

#324122454

Mobil Delvac Extreme 122454 Diesel Engine Oil, 10W-30, 4 Gallons

(40)

Oil Weight:

10W30

Oil Type:

Synthetic

ZDDP Enhanced:

$107.99

/box

LS Swap Single Turbo Kit Hot Side, Universal Crossover, 67mm

Speedway Motors |

#91604123

LS Swap Single Turbo Kit Hot Side, Universal Crossover, 67mm

Turbine Housing Inlet Flange:

Turbine Housing Outlet Flange:

3 Inch V-Band

Turbocharger Style:

GT35

$1,818.99

/kit

Speedway Deluxe AN6 GM LS Swap Fuel Filter/Regulator, 58 PSI

Speedway Motors |

#91012808

Speedway Deluxe AN6 GM LS Swap Fuel Filter/Regulator, 58 PSI

(71)

Regulator Style:

Return

Material Type:

Steel

$74.99

/each

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1985 GMC S15 Engine Parts

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Products

Tuff Stuff 7127NFRED GM Alternator, 100 Amp, 1 Wire, Red

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

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

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

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

Related Articles

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

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

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

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

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

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

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

Tuff Stuff 7127 GM Alternator, Internal Regulator, 80 Amp, 1-Wire

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

Tuff Stuff 7127NH GM Alternator, 6 Volt, Black, Negative Ground

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

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

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

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

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

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

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

Tuff Stuff 7139FBULLRED GM Silver Bullet 100 Amp Alternator, Red

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

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

Tuff Stuff 7139BBULL6G GM Silver Bullet 100 Amp Alternator, Pol

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

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

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

K&N HP-2001 Performance Gold Oil Filter

C4 Corvette LS Swap Long Tube Headers for LS1, 5.3, 6.0, LS3

ICT Billet 551216-KN40 LS Gen 4 Knock Sensor Relocation Brackets

Holley 12-887 By Pass Style Carbureted Fuel Pressure Regulator

Mobil Delvac Extreme 122454 Diesel Engine Oil, 10W-30, 4 Gallons

LS Swap Single Turbo Kit Hot Side, Universal Crossover, 67mm

Speedway Deluxe AN6 GM LS Swap Fuel Filter/Regulator, 58 PSI