1978 GMC G25 Engine Parts

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1978 GMC G25

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1978 GMC G25

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$122 Off

Powermaster |

#2558142

Powermaster 8142 Race Alternator, 150 Amps, 12V

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Powder Coated

$405.99

/each

$527.50

$140 Off

Powermaster |

#2558148

Powermaster 8148 XS Volt Alternator, 150 Amps, Internal

One Wire Alternator:

Yes

Alternator Amperage:

150 amp

Alternator Finish:

Powder Coated

$415.99

/each

$556.25

-18%

Powermaster |

#2558198

Powermaster 8198 Race Alternator, 75 Amps, V-belt

One Wire Alternator:

Yes

Alternator Amperage:

75 amp

Alternator Finish:

Natural

$289.99

/each

$356.25

Powermaster |

#2551136

Powermaster 1136 PowerGEN 3/4 Inch V-Belt Alternator Pulley

Material Type:

Steel

Sold in Quantity:

Each

$78.99

/each

Powermaster |

#2551132

Powermaster 1132 PowerGEN 1/2 Inch V-Belt Alternator Pulley

(1)

Material Type:

Steel

Sold in Quantity:

Each

$60.99

/each

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.

Chevrolet Performance Parts |

#35512561211

Chevrolet Performance Parts 12561211 LS Camshaft Position Sensor

GTIN Code:

036666968064

Sold in Quantity:

Each

$92.99

/each

-21%

Powermaster |

#255678608

Powermaster 678608 GM CS130 XS Alternator, 140A, Polished, Right

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Polished

$264.99

/each

$337.50

$132 Off

Powermaster |

#2559459

Powermaster 9459 Ultra Torque Starter, Ultra HS Ford

Starter Size:

Mini

Flywheel/Flexplate Tooth Count:

139-tooth

Mount Type:

Bolt-On

$355.99

/each

$487.50

Powermaster |

#255140

Powermaster 140 Wiring Harness, 10SI To CS130

GTIN Code:

692209000174

Sold in Quantity:

Each

$53.99

/each

$103 Off

Powermaster |

#2558468104

Powermaster 8468-104 Race Alternator, 100A, XS Volt 1 Wire Reg

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Satin

$289.99

/each

$392.50

$143 Off

Powermaster |

#2558156

Powermaster 8156 Race Alternator, 180 Amps, 16V

One Wire Alternator:

Yes

Alternator Amperage:

180 amp

Alternator Finish:

Powder Coated

$426.99

/each

$570.00

$132 Off

Powermaster |

#2558128

Powermaster 8128 Race Alternator, 115 Amps, 12V

One Wire Alternator:

Yes

Alternator Amperage:

115 amp

Alternator Finish:

Powder Coated

$382.99

/each

$515.00

$101 Off

Powermaster |

#2559518

Powermaster 9518 XS Torque Starter, Denso, Natural, Chevy

Starter Size:

Mini

Flywheel/Flexplate Tooth Count:

168-tooth

Mount Type:

Bolt-On

$334.99

/each

$436.25

-21%

Powermaster |

#2557468

Powermaster 7468 Race Alternator, 90A, XS Volt 1 Wire Regulator

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Alternator Finish:

Natural

$284.99

/each

$365.00

-24%

Powermaster |

#2557462104

Powermaster 7462-104 Race Alternator, 90A, 12V 1 Wire Regulator

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Alternator Finish:

Natural

$243.99

/each

$322.50

Speedway Black 14 Inch Flat Air Cleaner Kit, Oversized Air Filter

Speedway Motors |

#91605148

Speedway Black 14 Inch Flat Air Cleaner Kit, Oversized Air Filter

Shape:

Round

Overall Diameter:

14"

Filter Material:

Synthetic

$228.99

/kit

-18%

Powermaster |

#2558166

Powermaster 8166 Race Alternator, 55 Amps, V-belt, 16V

One Wire Alternator:

Yes

Alternator Amperage:

55 amp

Alternator Finish:

Powder Coated

$289.99

/each

$356.25

Finned 3-Butterfly Aluminum Dual Quad Scoop, Black

Speedway Motors |

#91603183

Finned 3-Butterfly Aluminum Dual Quad Scoop, Black

Overall Length:

20"

Overall Width:

12.5"

Overall Height:

4.125"

$475.99

/each

AutoMeter |

#1829152T

AutoMeter 9152-T Oil Pressure Gauge 2-1/16 Inch, 0-100 PSI, Black

Gauge Diameter:

2-1/16"

Shape:

Round

Gauge Style:

Analog

$216.99

/each

AutoMeter |

#182P325324

AutoMeter P325324 Oil Pressure Gauge, 2 1/16 Inch, 120PSI, Black

Gauge Diameter:

2-1/16"

Shape:

Round

Gauge Series:

Analog

$263.99

/each

AutoMeter |

#182P325218

AutoMeter P325218 Oil Pressure Gauge, 2 1/16 Inch, 120PSI, Silver

Gauge Diameter:

2-1/16"

Shape:

Round

Gauge Series:

Analog

$261.99

/each

-23%

Fragola |

#6179522

Fragola 495022 Pressure Gauge Fitting, 1/8 Female to -3 AN Male 90

(1)

Fitting End A:

-3 AN Male

Fitting End B:

1/8" NPT Female

Angle:

90 degree

$8.49

/each

$11.10

Tuff Stuff |

#91033103

Tuff Stuff 7620 Water Pump Shim, 1/16 Inch, Pair

Material Type:

Steel

Sold in Quantity:

Pair

$5.69

/each

FAST 30700218B Universal Fuel Rail, 18 Inch

FAST Fuel Air Spark Technology |

#28230700218B

FAST 30700218B Universal Fuel Rail, 18 Inch

Overall Length:

18"

Sold in Quantity:

Each

$35.95

/each

Powermaster |

#2556079

Powermaster 607-9 Starter Bolt kit

GTIN Code:

692209019565

$35.99

/each

$113 Off

Powermaster |

#2559519

Powermaster 9519 XS Torque Starter, Mini, Natural, Chevy

(1)

Starter Size:

Mini

Flywheel/Flexplate Tooth Count:

153-tooth

Mount Type:

Bolt-On

$322.99

/each

$436.25

-21%

Powermaster |

#2559529

Powermaster 9529 XS Torque Starter, Mini, Natural

Starter Size:

Mini

Flywheel/Flexplate Tooth Count:

153-tooth/168-tooth

Mount Type:

Bolt-On

$263.99

/each

$336.25

-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

-8%

Quick Fuel 3-303QFT Non-Stick Carburetor Rebuild Kit, 1050-1250 CFM

Quick Fuel Technology |

#4243303QFT

Quick Fuel 3-303QFT Non-Stick Carburetor Rebuild Kit, 1050-1250 CFM

Sold in Quantity:

Kit

Rebuild Kit Type:

Rebuild kit

$169.95

/each

$184.95

MSD Street-Fire Wire Set and Install Kit, Multi-Angle, Stock/HEI

Speedway Motors |

#91603082

MSD Street-Fire Wire Set and Install Kit, Multi-Angle, Stock/HEI

Conductor Style:

Spiral Core

Diameter:

Cap Terminal Style:

HEI or Socket

$196.99

/each

BluePrint Engines |

#227BPP12110340

BluePrint Engines BPP12110340 SBF Block, 8.200 Deck x 4.000 Bore

Main Journal Style:

302 mains

Deck Height:

8.200"

Material Type:

Cast Iron

$2,899.00

/each

BluePrint Engines |

#227BPP12110341

BluePrint Engines BPP12110341 SBF Block, 8.200 Deck x 4.000 Bore

Main Journal Style:

302 mains

Deck Height:

8.200"

Material Type:

Cast Iron

$2,599.00

/each

BluePrint Engines |

#227BPP12110342

BluePrint Engines BPP12110342 SBF Block, 8.200 Deck x 4.125 Bore

Main Journal Style:

302 mains

Deck Height:

8.200"

Material Type:

Cast Iron

$2,599.00

/each

BluePrint Engines |

#227BPP12110343

BluePrint Engines BPP12110343 SBC Block, 4.125 Bore, 350 Mains

Main Journal Style:

350 mains

Deck Height:

9.025"

Material Type:

Cast Iron

$2,299.99

/each

BluePrint Engines |

#227BPP12110345

BluePrint Engines BPP12110345 SBC Block, 4.125 Bore, 400 Mains

Main Journal Style:

400 mains

Deck Height:

9.025"

Material Type:

Cast Iron

$2,299.99

/each

BluePrint Engines |

#227BPP12110348

BluePrint Engines BPP12110348 SBC Block, 4.125 Bore, 400 Mains

Main Journal Style:

400 mains

Deck Height:

9.025"

Material Type:

Cast Iron

$3,999.00

/each

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1978 GMC G25 Engine Parts

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Products

Powermaster 8142 Race Alternator, 150 Amps, 12V

Powermaster 8148 XS Volt Alternator, 150 Amps, Internal

Powermaster 8198 Race Alternator, 75 Amps, V-belt

Powermaster 1136 PowerGEN 3/4 Inch V-Belt Alternator Pulley

Powermaster 1132 PowerGEN 1/2 Inch V-Belt Alternator Pulley

Related Articles

Chevrolet Performance Parts 12561211 LS Camshaft Position Sensor

Powermaster 678608 GM CS130 XS Alternator, 140A, Polished, Right

Powermaster 9459 Ultra Torque Starter, Ultra HS Ford

Powermaster 140 Wiring Harness, 10SI To CS130

Powermaster 8468-104 Race Alternator, 100A, XS Volt 1 Wire Reg

Powermaster 8156 Race Alternator, 180 Amps, 16V

Powermaster 8128 Race Alternator, 115 Amps, 12V

Powermaster 9518 XS Torque Starter, Denso, Natural, Chevy

Powermaster 7468 Race Alternator, 90A, XS Volt 1 Wire Regulator

Powermaster 7462-104 Race Alternator, 90A, 12V 1 Wire Regulator

Speedway Black 14 Inch Flat Air Cleaner Kit, Oversized Air Filter

Powermaster 8166 Race Alternator, 55 Amps, V-belt, 16V

Finned 3-Butterfly Aluminum Dual Quad Scoop, Black

AutoMeter 9152-T Oil Pressure Gauge 2-1/16 Inch, 0-100 PSI, Black

AutoMeter P325324 Oil Pressure Gauge, 2 1/16 Inch, 120PSI, Black

AutoMeter P325218 Oil Pressure Gauge, 2 1/16 Inch, 120PSI, Silver

Fragola 495022 Pressure Gauge Fitting, 1/8 Female to -3 AN Male 90

Tuff Stuff 7620 Water Pump Shim, 1/16 Inch, Pair

FAST 30700218B Universal Fuel Rail, 18 Inch

Powermaster 607-9 Starter Bolt kit

Powermaster 9519 XS Torque Starter, Mini, Natural, Chevy

Powermaster 9529 XS Torque Starter, Mini, Natural

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

Quick Fuel 3-303QFT Non-Stick Carburetor Rebuild Kit, 1050-1250 CFM

MSD Street-Fire Wire Set and Install Kit, Multi-Angle, Stock/HEI

BluePrint Engines BPP12110340 SBF Block, 8.200 Deck x 4.000 Bore

BluePrint Engines BPP12110341 SBF Block, 8.200 Deck x 4.000 Bore

BluePrint Engines BPP12110342 SBF Block, 8.200 Deck x 4.125 Bore

BluePrint Engines BPP12110343 SBC Block, 4.125 Bore, 350 Mains

BluePrint Engines BPP12110345 SBC Block, 4.125 Bore, 400 Mains

BluePrint Engines BPP12110348 SBC Block, 4.125 Bore, 400 Mains