1978 GMC G25 Engine Parts

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1978 GMC G25

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1978 GMC G25

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-24%

Powermaster |

#25567293

Powermaster 67293 GM 12SI 150 Amp Alternator, Polished

(15)

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Polished

$197.99

/each

$263.75

-19%

Powermaster |

#25537293

Powermaster 37293 GM 12SI 150 Amp Alternator, Chrome

(49)

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Chrome

$211.99

/each

$263.75

Edelbrock |

#32541443

Edelbrock 41443 Classic Series Valve Cover Set, Small Block Chevy

(1)

Valve Cover Height:

Stock

Valve Cover Mounting Style:

Perimeter Bolt

Material Type:

Cast Aluminum

$334.95

/set

-25%

Powermaster |

#2558002

Powermaster 8002 12SI GM Alternator, 100 Amp

(8)

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Natural

$146.99

/each

$197.50

Holley |

#42524183

Holley 241-83 SB Chevy M/T Valve Covers, Satin Black, Cast Aluminum

Valve Cover Height:

Tall

Valve Cover Mounting Style:

Perimeter Bolt

Material Type:

Aluminum

$144.95

/pair

Chris Ryan's 1978 Pontiac Trans Am

Chris Ryan's '78 Firebird is a loving tribute to that famous Trans Am from _Smokey & the Bandit_, but with style and performance that would have been nearly impossible when the Bandit was busy with Sheriff Justice.

Engine Cylinder Numbers

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.

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

Byron's 1975 Chevy Vega

It's not every day that you see a wild, IMSA inspired, 550 horsepower Vega. Byron Burnham went way outside the box with this one, and we love it.

Progress Update | 1968 C10 Build

We've come a long way on our '68 C10 project, but we still have a long way to go. Watch as Kevin and Joe discuss where we're at and where we're going.

Replacing a G-Body 7.5" Bolt Rear End

Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

Vintage Air |

#725151110

Vintage Air 151110 SBC Chevy Compressor Only Bracket Kit

Material Type:

Steel

Hardware Included:

Yes

Finish:

Natural

$144.99

/kit

$151 Off

Powermaster |

#91068125

Powermaster 8-721 SB Chevy 100 Amp Mini Alternatorw/ V-Belt Kit

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Powder Coated

$404.99

/each

$556.25

$102 Off

Powermaster |

#25537294

Powermaster 37294 12SI GM Alternator, 150 Amp, Chrome

(1)

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Chrome

$226.99

/each

$328.75

-28%

Powermaster |

#25557294

Powermaster 57294 GM 12SI 150 Amp Alternator, Black

(4)

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Powder Coated

$188.99

/each

$263.75

Rebate

Edelbrock |

#32541453

Edelbrock 41453 Classic Series Valve Cover Set, Small Block Chevy

Valve Cover Height:

Stock

Valve Cover Mounting Style:

Perimeter Bolt

Material Type:

Cast Aluminum

$307.96

/set

$384.95

Edelbrock |

#3254145

Edelbrock 4145 Chevy 262-400 V8 Valve Covers

(3)

Valve Cover Mounting Style:

Perimeter Bolt

Material Type:

Aluminum

Finish:

Polished

$399.95

/pair

Edelbrock |

#3254649

Edelbrock 4649 Signature Series Chrome Valve Cover Set, SB Chevy

(4)

Valve Cover Height:

Tall

Valve Cover Mounting Style:

Perimeter Bolt

Material Type:

Steel

$86.95

/set

Edelbrock |

#3254443

Edelbrock 4443 Signature Series Black Valve Cover Set, SB Chevy

(5)

Valve Cover Height:

Stock

Valve Cover Mounting Style:

Perimeter Bolt

Material Type:

Steel

$65.95

/set

Rebate

Edelbrock |

#3254449

Edelbrock 4449 Signature Series Chrome Valve Cover Set, SB Chevy

Valve Cover Height:

Stock

Valve Cover Mounting Style:

Perimeter Bolt

Material Type:

Steel

$51.96

/set

$64.95

Edelbrock |

#3254263

Edelbrock 4263 Elite Series Valve Cover Set, Small Block Chevy

(6)

Valve Cover Height:

Tall

Valve Cover Mounting Style:

Perimeter Bolt

Material Type:

Cast Aluminum

$214.95

/set

$128 Off

Tuff Stuff |

#UP234609

Tuff Stuff Chrome 140 Amp GM 6-Groove Pulley Silver Bullet Alt

Garage Sale Type:

Blemished

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

$215.99

/each

$343.92

-22%

Tuff Stuff Silver Bullet One Wire Alternator, 100 Amp Rating

Tuff Stuff |

#91071396

Tuff Stuff Silver Bullet One Wire Alternator, 100 Amp Rating

(2)

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Pulley Style:

Serpentine

as low as

$190.99

/each

$246.80

-34%

Tuff Stuff Silver Bullet One Wire Alternator - 140 Amp GM V-Belt Pulley

Tuff Stuff |

#9107140

Tuff Stuff Silver Bullet One Wire Alternator - 140 Amp GM V-Belt Pulley

(13)

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Belt Type:

V-Belt

as low as

$185.99

/each

$282.06

-28%

Tuff Stuff Silver Bullet One Wire Alternator, 140 AMP Rating

Tuff Stuff |

#91071406

Tuff Stuff Silver Bullet One Wire Alternator, 140 AMP Rating

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Pulley Style:

Serpentine

as low as

$202.99

/each

$282.80

-27%

Tuff Stuff Silver Bullet One Wire Alternators - 100 Amp GM V-Belt Pulley

Tuff Stuff |

#9107139

Tuff Stuff Silver Bullet One Wire Alternators - 100 Amp GM V-Belt Pulley

(33)

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Pulley Style:

V-belt

as low as

$179.99

/each

$246.80

Edelbrock |

#3257548

Edelbrock 7548 Valve Cover Gasket Set for Chevrolet

Sold in Quantity:

Each

Valve Cover Mounting Style:

Perimeter Bolt

$29.95

/each

Edelbrock |

#3252023

Edelbrock 2023 Single-Quad Intake Manifold/Carburetor Kit

Intake Manifold Type:

Dual Plane | High Rise

Carburetor Quantity:

One

Carburetor Barrels:

4-Barrel

$875.95

/each

Edelbrock |

#3252021

Edelbrock 2021 Single-Quad Intake Manifold/Carburetor Kit, Chevy

(3)

Intake Manifold Type:

Dual Plane | Low Rise

Carburetor Quantity:

One

Carburetor Barrels:

4-Barrel

$763.95

/each

New Product

Enginetech |

#17300222

Enginetech ECR301 SBC 350 Connecting Rod, 1968-1995

$44.99

/each

New Product

Enginetech |

#17300207

Enginetech ECK274 SBC 350 Cam & Lifter Kit, 1957-1995

$272.99

/each

Edelbrock |

#3254262

Edelbrock 4262 59-86 SBC V8 262-400 Elite II Black Valve Covers

(13)

Valve Cover Height:

Stock

Valve Cover Mounting Style:

Perimeter Bolt

Material Type:

Cast Aluminum

$189.95

/set

New Product

Enginetech |

#17300659

Enginetech S55S1 SBC 350 Oil Pump Screen, 1962-1994

$21.14

/each

Edelbrock |

#3253627

Edelbrock 3627 Aluminum Fuel Rail, Small Block Chevy

Material Type:

Aluminum

Finish:

Anodized

Fittings Included:

Yes

$229.95

/each

New Product

Enginetech |

#17300205

Enginetech ECK1013R SBC 350 Cam & Lifter Kit, Stage 2, Hydraulic

$293.99

/each

-9%

PerTronix |

#4471071

PerTronix D1071 Flame-Thrower Chevy HEI Distributor

(3)

Cap Type:

HEI / Male

Advance Type:

Mechanical

$429.32

/each

$472.25

New Product

Enginetech |

#17300313

Enginetech ES274 SBC 350 Camshaft, Hydraulic, 1957-1995

$157.99

/each

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

Edelbrock |

#3257215

Edelbrock 7215 Intake Manifold Gasket Set, Small Block Chevy

Sold in Quantity:

Set

Gasket Material:

Composite

Water Crossover Style:

Blocked

$54.95

/set

Speedway Motors |

#91018019

1968-1999 GM Clamshell Motor Mount

(2)

Attachment Style:

Bolt-on

Mount Material:

Steel

Bushing Material:

Rubber

$14.99

/each

Speedway Motors |

#91602050

Speedway Motors SBC/TH350 Black Dress-Up Kit, Oval A/C, Short V/C

Material Type:

Aluminum

Sold in Quantity:

Kit

$671.99

/kit

Speedway Motors |

#91602051

Speedway Motors SBC/TH350 Black Dress-Up Kit, Oval A/C, Tall V/C

Material Type:

Aluminum

Sold in Quantity:

Kit

$712.99

/kit

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1978 GMC G25 Engine Parts

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Transmission Family

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Products

Powermaster 67293 GM 12SI 150 Amp Alternator, Polished

Powermaster 37293 GM 12SI 150 Amp Alternator, Chrome

Edelbrock 41443 Classic Series Valve Cover Set, Small Block Chevy

Powermaster 8002 12SI GM Alternator, 100 Amp

Holley 241-83 SB Chevy M/T Valve Covers, Satin Black, Cast Aluminum

Related Articles

Vintage Air 151110 SBC Chevy Compressor Only Bracket Kit

Powermaster 8-721 SB Chevy 100 Amp Mini Alternatorw/ V-Belt Kit

Powermaster 37294 12SI GM Alternator, 150 Amp, Chrome

Powermaster 57294 GM 12SI 150 Amp Alternator, Black

Edelbrock 41453 Classic Series Valve Cover Set, Small Block Chevy

Edelbrock 4145 Chevy 262-400 V8 Valve Covers

Edelbrock 4649 Signature Series Chrome Valve Cover Set, SB Chevy

Edelbrock 4443 Signature Series Black Valve Cover Set, SB Chevy

Edelbrock 4449 Signature Series Chrome Valve Cover Set, SB Chevy

Edelbrock 4263 Elite Series Valve Cover Set, Small Block Chevy

Tuff Stuff Chrome 140 Amp GM 6-Groove Pulley Silver Bullet Alt

Tuff Stuff Silver Bullet One Wire Alternator, 100 Amp Rating

Tuff Stuff Silver Bullet One Wire Alternator - 140 Amp GM V-Belt Pulley

Tuff Stuff Silver Bullet One Wire Alternator, 140 AMP Rating

Tuff Stuff Silver Bullet One Wire Alternators - 100 Amp GM V-Belt Pulley

Edelbrock 7548 Valve Cover Gasket Set for Chevrolet

Edelbrock 2023 Single-Quad Intake Manifold/Carburetor Kit

Edelbrock 2021 Single-Quad Intake Manifold/Carburetor Kit, Chevy

Enginetech ECR301 SBC 350 Connecting Rod, 1968-1995

Enginetech ECK274 SBC 350 Cam & Lifter Kit, 1957-1995

Edelbrock 4262 59-86 SBC V8 262-400 Elite II Black Valve Covers

Enginetech S55S1 SBC 350 Oil Pump Screen, 1962-1994

Edelbrock 3627 Aluminum Fuel Rail, Small Block Chevy

Enginetech ECK1013R SBC 350 Cam & Lifter Kit, Stage 2, Hydraulic

PerTronix D1071 Flame-Thrower Chevy HEI Distributor

Enginetech ES274 SBC 350 Camshaft, Hydraulic, 1957-1995

1973-93 GM Clamshell Engine Mounts, Pair

Edelbrock 7215 Intake Manifold Gasket Set, Small Block Chevy

1968-1999 GM Clamshell Motor Mount

Speedway Motors SBC/TH350 Black Dress-Up Kit, Oval A/C, Short V/C

Speedway Motors SBC/TH350 Black Dress-Up Kit, Oval A/C, Tall V/C