1977 GMC G25 Engine Parts

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1977 GMC G25

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1977 GMC G25

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$125 Off

Racepak |

#425200KTV300SD2G

Racepak 200-KT-V300SD2G Generic Data Logger, Universal Harness

Harness Style:

Custom 20 Ft.

Sold in Quantity:

Kit

$1,899.95

/kit

$2,024.95

$229 Off

Holley |

#425550601N

Holley EFI 550-601N HP EFI ECU And Harness Kits

Ignition Type:

Universal

Injector Connector:

GM TPI

Sold in Quantity:

Kit

$2,999.95

/each

$3,228.95

$242 Off

Holley |

#425550602N

Holley 550-602N HP EFI ECU & Harness Kit, LS1/LS6, NTK O2

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

USB/CAN Tuning Cable

$3,099.95

/each

$3,341.95

$132 Off

Holley |

#425550930T

Holley 550-930T Terminator X Max Early Truck Engine MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

Multec 2

Tuner Style:

USB/CAN Tuning Cable

$1,949.95

/each

$2,081.95

-6%

Holley Sniper |

#425565310K

Holley Sniper 565-310K Hyperspark Master Kit, 565-310, Oldsmobile

Sold in Quantity:

Kit

Distributor Included:

Yes

$1,049.95

/kit

$1,124.95

GM Rally Wheels

Choosing new wheels for a GMC Chevrolet truck. This project uses Speedway Motors GM Rally Wheels and new tires to enhance the appearance of the truck.

Corvette L76 327 Engine History, Specs, and Build Ideas

The 1964 Corvette L76 327 is legendary, learn more about this storied engine and what you need to build a clone.

1967 Firebird Engine Refurbish

Follow this restoration guide as Josh breathes new life back into his Pontiac engine.

55 Chevy Engine Build

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

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.

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.

Centering a 525 Steering Gear

Steve takes us along as he centers the 525 manual steering gear he is using for his Laguna.

Replacing GM Rear End Spherical Bushings

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

Seven Decades of Speedway Motors: Carson, Craig & Clay Smith | Episode 25

For this special anniversary episode we celebrate 70 years of Speedway Motors with Carson, Craig, and Clay Smith. As the sons of "Speedy" Bill and Joyce Smith, they were there for it all as the business and the family grew up together.

-6%

Holley Sniper |

#425565304K

Holley Sniper 565-304K Hyperspark Master Kit, 565-304, Chrysler

Sold in Quantity:

Kit

Distributor Included:

Yes

$1,049.95

/kit

$1,124.95

$150 Off

Holley Sniper |

#425550511BPR

Holley Sniper 550-511-BPR 4-barrel Self-Tuning EFI Conversion Kit

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

650

$2,099.95

/kit

$2,249.95

-7%

Earls |

#42512846ERL

Earls 12846ERL HP Billet EFI By-Pass Fuel Pressure Regulator

Regulator Style:

Return

Sold in Quantity:

Each

$299.95

/each

$322.95

-7%

Earls |

#425178008ERL

Earls 178008ERL Stat-O-Seal, 1/2 Inch Diameter, Fits -5 AN Fitting

(1)

Fitting Size 1:

-5 AN

AN Size:

-5 AN

Inside Diameter:

0.5"

$11.91

/pair

$12.88

-7%

NOS 17835NOS Specialty Y Fitting, -6 AN x -6 AN x -6 AN, Blue

NOS |

#42517835NOS

NOS 17835NOS Specialty Y Fitting, -6 AN x -6 AN x -6 AN, Blue

Fitting End A:

-6 AN Male

Fitting End B:

-6 AN Male

Material Type:

Aluminum

$83.15

/each

$89.95

-11%

Flowtech 11704-2FLT SB Chevy Rams Horn Exhaust Manifold, Chrome Finish

Flowtech Exhaust |

#425117042FLT

Flowtech 11704-2FLT SB Chevy Rams Horn Exhaust Manifold, Chrome Finish

Finish:

Chrome

Sold in Quantity:

Pair

$562.95

/set

$633.95

Flowtech 11704-RFLT SB Chevy Rams Horn Exhaust Manifold, Uncoated

Flowtech Exhaust |

#42511704RFLT

Flowtech 11704-RFLT SB Chevy Rams Horn Exhaust Manifold, Uncoated

(2)

Finish:

Natural

Sold in Quantity:

Pair

$234.95

/set

-7%

Earls |

#425100187ERL

Earls 100187ERL Oil Filled 100 PSI Pressure Gauge

(3)

Gauge Diameter:

1-7/8"

Gauge Series:

Analog

Gauge Range:

0-100 psi

$51.95

/each

$56.19

-7%

Earls |

#425900106ERL

Earls 900106ERL Red Fuel/Oil Line Hose Clamp, Econ-O-Fit Size 6

(1)

Style:

Worm Gear | Housing

Material Type:

Aluminum

Color:

Red

$8.93

/each

$9.66

-7%

Earls |

#4259919DFJERL

Earls 9919DFJERL Straight -6 AN Male to 16mm x 1.5 Adapter, Blue

Fitting End A:

-6 AN Male

Fitting End B:

16mm x 1.5 Male

Angle:

Straight

$17.89

/each

$19.35

-21%

Powermaster |

#255378018

Powermaster 378018 GM CS130 XS Alternator, 140A, Chrome, Straight

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$264.99

/each

$337.50

-7%

Earls |

#425992912ERL

Earls 992912ERL Aluminum -12 AN Flare Fitting Cap, Blue Anodized

Material Type:

Aluminum

Color:

Blue

$17.89

/each

$19.35

$807 Off

Holley |

#42520190BK

Holley 20-190BK Premium Mid-Mount LS7 Complete Accessory System

Crankshaft Pulley Included:

Yes

Crankshaft Pulley Material:

Billet Aluminum

Water Pump Included:

Yes

$3,749.95

/each

$4,556.95

$905 Off

Holley |

#42520200P

Holley 20-200P Premium Mid-Mount Complete Accessory System, LT

Crankshaft Pulley Included:

Yes

Crankshaft Pulley Material:

Billet Aluminum

Water Pump Included:

Yes

$4,399.95

/each

$5,304.95

-7%

Earls |

#425169212ERL

Earls 169212ERL Conical Seal Package Of 2, Size -12

AN Size:

-12 AN

Material Type:

Aluminum

$28.36

/pair

$30.68

-7%

Earls |

#425993205ERL

Earls 993205ERL Blue Anodized 1/2 Inch NPT Internal Plug, Aluminum

(3)

Fitting Type:

Plug Fitting

Fitting Size 1:

1/2" Male NPT

Fitting Attachment 1:

Male AN

$8.95

/each

$9.69

-21%

Powermaster |

#255378618

Powermaster 378618 GM CS130 XS Alternator, 140A, Chrome, Left

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$264.99

/each

$337.50

-7%

Earls |

#425993812ERL

Earls 993812ERL Blue Anodized -12 AN Female Tee Fitting, Aluminum

Fitting End A:

-12 AN Female

Fitting End B:

-12 AN Female

Fitting End C:

-12 AN Female

$62.75

/each

$67.95

-7%

Earls |

#425997106ERL

Earls 997106ERL -6 AN Male Weld Fitting, Lightweight Aluminum

AN Size:

-6 AN

Thread Type:

RH Male

Fitting Attachment 1:

Male Threads

$10.40

/each

$11.25

-7%

Earls |

#425997120ERL

Earls 997120ERL -20 AN Male Weld Fitting, Lightweight Aluminum

AN Size:

-20 AN

Thread Type:

RH Male

Fitting Attachment 1:

Male Threads

$41.81

/each

$45.23

$107 Off

Holley |

#42520224BK

Holley 20-224BK 150 Amp Alternator w/Bracket Kit, LT4 Wet-Sump

Pulley Style:

Serpentine

Crankshaft Pulley Included:

Water Pump Included:

$1,749.95

/kit

$1,856.95

-7%

Earls |

#425600103ERL

Earls 600103ERL Speed-Seal Hose End, -3 AN, Steel

(1)

Fitting Hose Size:

-3 AN

Fitting End A:

-3 AN Female

Fitting End B:

-3 AN Hose

$14.88

/each

$16.10

-7%

Earls |

#425600133ERL

Earls 600133ERL Speed-Seal Hose End, -3 AN, Aluminum

(1)

Fitting Hose Size:

-3 AN

Fitting End A:

-3 AN Female

Fitting End B:

-3 AN Hose

$21.27

/each

$23.01

-7%

Earls |

#425604503ERL

Earls 604503ERL Speed-Seal Hose End, -3 AN, 45 Degree, Adjustable

Fitting Hose Size:

-3 AN

Fitting End A:

-3 AN Female

Fitting End B:

-3 AN Hose

$46.57

/each

$50.38

-7%

Earls |

#425609004ERL

Earls 609004ERL Speed-Seal Hose End, -4 AN, 90 Degree, Adjustable

Fitting Hose Size:

-4 AN

Fitting End A:

-4 AN Female

Fitting End B:

-4 AN Hose

$46.55

/each

$50.36

-8%

Earls |

#425609093ERL

Earls 609093ERL Speed-Seal Hose End, -3 AN, 90 Degree, Adjustable

Fitting Hose Size:

-3 AN

Fitting End A:

-3 AN Female

Fitting End B:

-3 AN Hose

$87.95

/each

$95.95

-8%

Earls |

#425609236ERL

Earls 609236ERL 90 Deg -6 AN Aluminum Adjustable Speed-Seal Hose End

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$73.25

/each

$79.95

-6%

Racepak |

#425610KTSPRTMN

Racepak 610-KT-SPRTMN Sportsman Drag Race V-Net Data Logger

GTIN Code:

815046024909

Sold in Quantity:

Kit

$967.95

/kit

$1,037.95

-7%

Earls |

#425580603ERL

Earls 580603ERL -3 AN Flare Plug Fitting, Blue Anodized, Pair

Fitting End A:

-3 AN

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$7.40

/pair

$8.01

$132 Off

Holley |

#425550916T

Holley 550-916T Terminator X Max LS1 MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

USB/CAN Tuning Cable

$1,949.95

/each

$2,081.95

$132 Off

Holley |

#425550918T

Holley 550-918T Terminator X Max LS2/LS3 MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

USCAR (EV6)

Tuner Style:

USB/CAN Tuning Cable

$1,949.95

/each

$2,081.95

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1977 GMC G25 Engine Parts

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Part

Brand

Transmission Family

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Price

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Products

Racepak 200-KT-V300SD2G Generic Data Logger, Universal Harness

Holley EFI 550-601N HP EFI ECU And Harness Kits

Holley 550-602N HP EFI ECU & Harness Kit, LS1/LS6, NTK O2

Holley 550-930T Terminator X Max Early Truck Engine MPFI Kit

Holley Sniper 565-310K Hyperspark Master Kit, 565-310, Oldsmobile

Related Articles

Holley Sniper 565-304K Hyperspark Master Kit, 565-304, Chrysler

Holley Sniper 550-511-BPR 4-barrel Self-Tuning EFI Conversion Kit

Earls 12846ERL HP Billet EFI By-Pass Fuel Pressure Regulator

Earls 178008ERL Stat-O-Seal, 1/2 Inch Diameter, Fits -5 AN Fitting

NOS 17835NOS Specialty Y Fitting, -6 AN x -6 AN x -6 AN, Blue

Flowtech 11704-2FLT SB Chevy Rams Horn Exhaust Manifold, Chrome Finish

Flowtech 11704-RFLT SB Chevy Rams Horn Exhaust Manifold, Uncoated

Earls 100187ERL Oil Filled 100 PSI Pressure Gauge

Earls 900106ERL Red Fuel/Oil Line Hose Clamp, Econ-O-Fit Size 6

Earls 9919DFJERL Straight -6 AN Male to 16mm x 1.5 Adapter, Blue

Powermaster 378018 GM CS130 XS Alternator, 140A, Chrome, Straight

Earls 992912ERL Aluminum -12 AN Flare Fitting Cap, Blue Anodized

Holley 20-190BK Premium Mid-Mount LS7 Complete Accessory System

Holley 20-200P Premium Mid-Mount Complete Accessory System, LT

Earls 169212ERL Conical Seal Package Of 2, Size -12

Earls 993205ERL Blue Anodized 1/2 Inch NPT Internal Plug, Aluminum

Powermaster 378618 GM CS130 XS Alternator, 140A, Chrome, Left

Earls 993812ERL Blue Anodized -12 AN Female Tee Fitting, Aluminum

Earls 997106ERL -6 AN Male Weld Fitting, Lightweight Aluminum

Earls 997120ERL -20 AN Male Weld Fitting, Lightweight Aluminum

Holley 20-224BK 150 Amp Alternator w/Bracket Kit, LT4 Wet-Sump

Earls 600103ERL Speed-Seal Hose End, -3 AN, Steel

Earls 600133ERL Speed-Seal Hose End, -3 AN, Aluminum

Earls 604503ERL Speed-Seal Hose End, -3 AN, 45 Degree, Adjustable

Earls 609004ERL Speed-Seal Hose End, -4 AN, 90 Degree, Adjustable

Earls 609093ERL Speed-Seal Hose End, -3 AN, 90 Degree, Adjustable

Earls 609236ERL 90 Deg -6 AN Aluminum Adjustable Speed-Seal Hose End

Racepak 610-KT-SPRTMN Sportsman Drag Race V-Net Data Logger

Earls 580603ERL -3 AN Flare Plug Fitting, Blue Anodized, Pair

Holley 550-916T Terminator X Max LS1 MPFI Kit

Holley 550-918T Terminator X Max LS2/LS3 MPFI Kit