1978 GMC G25 Engine Parts

5,352 products fit your

1978 GMC G25

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1978 GMC G25

Products

-8%

Mr Gasket |

#5506006

Mr Gasket 6006 Carburetor Spacer Kit, 1 Inch Ported Center

Carburetor Flange Type:

4-Barrel Square Bore

Overall Thickness:

$53.25

/each

$57.95

-7%

Mr Gasket |

#5506007

Mr Gasket 6007 Carburetor Spacer Kit, 2 Inch Open Center

Carburetor Flange Type:

4-Barrel Square Bore

Overall Thickness:

$67.25

/each

$72.95

-8%

Weiand |

#4257221

Weiand 7221 Hilborn Style 2x4 Air Scoop, Polished Cast Aluminum

GTIN Code:

032474722102

$449.95

/each

$489.95

-8%

Mallory 947 Pro Sidewinder 135 Degree Universal Wire Set

Mallory Ignition |

#500947

Mallory 947 Pro Sidewinder 135 Degree Universal Wire Set

Conductor Style:

Spiral Core

Diameter:

$176.95

/each

$192.95

-5%

MSD |

#5477222

MSD 7222 MSD 7AL-2 Ignition Control

(4)

Ignition Box Output:

Capacitive Discharge

Circuitry:

Analog

$929.95

/each

$979.95

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.

-8%

MSD |

#5478774

MSD 8774 Module Kit, 11 Deg-15 Deg

GTIN Code:

085132087747

$63.19

/each

$68.95

-7%

MSD |

#5478776

MSD 8776 Module Kit, 5 Deg-10 Deg

GTIN Code:

085132087761

$70.25

/each

$75.95

-7%

Mallory Ignition |

#50029387

Mallory 29387 3 Port Bypass Regulator

(1)

Regulator Style:

Return

Sold in Quantity:

Each

$254.95

/each

$276.95

-9%

Patriot Exhaust |

#9308080

Patriot Exhaust E-Rod LS Tube Headers, Steel

(1)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$496.75

/pair

$546.43

Mr Gasket |

#5509815

Mr Gasket 9815 Oil Filler Cap Plug, Push-In Style

(1)

GTIN Code:

084041098158

Hole Diameter:

1.22"

$12.74

/each

-7%

Holley |

#425112122

Holley 112-122 Throttle Body Kit, 0-80496-1

GTIN Code:

090127662755

$304.95

/each

$330.95

-7%

MSD 88364 Vacuum Advance Lockout for GM HEI

MSD |

#54788364

MSD 88364 Vacuum Advance Lockout for GM HEI

GTIN Code:

085132883646

$35.08

/each

$37.95

-11%

MSD |

#54734564

MSD 34564 Straight Spark Plug Boots, Gray, With Logo, 50 Count

Color:

Gray

Sold in Quantity:

Box

$149.95

/box

$168.95

-10%

MSD 31173 Universal 6 Cylinder 8.5mm Super Conductor Wire Set

MSD |

#54731173

MSD 31173 Universal 6 Cylinder 8.5mm Super Conductor Wire Set

Conductor Style:

Spiral Core

Diameter:

8.5"

$178.95

/each

$199.95

Holley |

#427122

Holley Main Jets

(27)

Material Type:

Brass

Sold in Quantity:

Pair

$14.87

/pair

-7%

Holley |

#425112114

Holley 112-114 Throttle Body Kit, 0-80670

GTIN Code:

090127662670

$233.95

/each

$253.95

-7%

Holley |

#425112120

Holley 112-120 Throttle Body Kit, 0-80528-1

GTIN Code:

090127662731

$281.95

/each

$305.95

Holley Sniper |

#425860028

Holley Sniper 860028 Sniper EFI Throttle Linkage Kit, LS, 92mm

Material Type:

Aluminum

Sold in Quantity:

Kit

$519.95

/kit

-7%

Holley Sniper |

#425860030

Holley Sniper 860030 Sniper EFI Throttle Linkage Kit, LS, 102mm

Material Type:

Aluminum

Sold in Quantity:

Kit

$531.95

/kit

$575.95

King Racing KRP-2122 Ez View Timing Window W/Aluminum Plug

King Racing Products |

#940152122

King Racing KRP-2122 Ez View Timing Window W/Aluminum Plug

Sold in Quantity:

Each

$25.99

/each

Lucas 10683 10W40/Beehive Filter Hot Rod Oil Change Kit, 5 Quart

Lucas Oil |

#9109183

Lucas 10683 10W40/Beehive Filter Hot Rod Oil Change Kit, 5 Quart

Oil Type:

Conventional

Oil Weight:

10W40

ZDDP Enhanced:

Yes

$73.99

/kit

Maxima |

#229019128

Maxima Racing Oils 39-019128 RS Full Synthetic, 10W30, 1 Gallon

Oil Weight:

10W30

Oil Type:

Synthetic

ZDDP Enhanced:

Yes

$76.99

/gallon

Maxima |

#229029128

Maxima Racing Oils 39-029128 HD Diesel Oil, 15W40, 1 Gallon

Oil Weight:

15W40

Oil Type:

Conventional

ZDDP Enhanced:

$34.99

/gallon

Maxima |

#229109128

Maxima Racing Oils 39-109128 Break-In Oil, 10W30, 1 Gallon

(2)

Oil Weight:

10W30

Oil Type:

Break-In

ZDDP Enhanced:

Yes

$41.99

/gallon

Maxima |

#229169128

Maxima Racing Oils 39-169128 RS Full Synthetic, 10W40, 1 Gallon

Oil Weight:

10W40

Oil Type:

Synthetic

ZDDP Enhanced:

Yes

$79.99

/gallon

Maxima |

#229329128

Maxima Racing Oils 39-329128 RS Full Synthetic, 15W50, 1 Gallon

(1)

Oil Weight:

15W50

Oil Type:

Synthetic

ZDDP Enhanced:

Yes

$77.99

/each

Maxima |

#229369128

Maxima Racing Oils 39-369128 Performance Mineral Oil, 50W, 1 Gal

Oil Weight:

50W

Oil Type:

Conventional

ZDDP Enhanced:

Yes

$45.99

/each

Maxima |

#229379128

Maxima Racing Oils 39-379128 Performance Mineral Oil, 60W, 1 Gal

Oil Weight:

60W

Oil Type:

Conventional

ZDDP Enhanced:

Yes

$46.99

/gallon

Maxima |

#229839641

Maxima 89-83964 Off Road Coolant, 64 OZ Bottle, Each

GTIN Code:

051027004847

$17.49

/each

Maxima |

#22901912

Maxima Racing Oils 22901901 RS Full Synthetic, 10W30, 12 Quart

(1)

Oil Weight:

10W30

Oil Type:

Synthetic

ZDDP Enhanced:

Yes

$157.99

/box

Maxima |

#2293691284

Maxima Racing Oils 229369128 Performance Mineral Oil, 50W, 4 Gal

Oil Weight:

50W

Oil Type:

Conventional

ZDDP Enhanced:

Yes

$199.99

/box

Maxima |

#2293791284

Maxima Racing Oils 229379128 Performance Mineral Oil, 60W, 4 Gal

Oil Weight:

60W

Oil Type:

Conventional

ZDDP Enhanced:

Yes

$207.99

/box

Maxima |

#22983964

Maxima 89-83964 Off Road Coolant, 64 OZ Bottles, Qty 6

Sold in Quantity:

Box

Reserve Alkalinity (5g of product):

12.5 ml

$101.99

/box

Maxima |

#22910901

Maxima 39-10901 Performance Break-In Engine Oil, 1QT, 10W30

(1)

Oil Weight:

10W30

Oil Type:

Break-In

ZDDP Enhanced:

Yes

$11.99

/quart

Maxima |

#22911928

Maxima Racing Oils 39-119128 Break-In oil, 15W50, 1 Gallon

Oil Weight:

15W50

Oil Type:

Break-In

ZDDP Enhanced:

Yes

$42.99

/each

Maxima |

#22915901

Maxima Racing Oils 39-35901B Semi-Synthetic, 20W50, 1 Quart

(2)

Oil Weight:

20W40

Oil Type:

Synthetic Blend

ZDDP Enhanced:

Yes

$11.99

/quart

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1978 GMC G25 Engine Parts

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Price

Customer Rating

Products

Mr Gasket 6006 Carburetor Spacer Kit, 1 Inch Ported Center

Mr Gasket 6007 Carburetor Spacer Kit, 2 Inch Open Center

Weiand 7221 Hilborn Style 2x4 Air Scoop, Polished Cast Aluminum

Mallory 947 Pro Sidewinder 135 Degree Universal Wire Set

MSD 7222 MSD 7AL-2 Ignition Control

Related Articles

MSD 8774 Module Kit, 11 Deg-15 Deg

MSD 8776 Module Kit, 5 Deg-10 Deg

Mallory 29387 3 Port Bypass Regulator

Patriot Exhaust E-Rod LS Tube Headers, Steel

Mr Gasket 9815 Oil Filler Cap Plug, Push-In Style

Holley 112-122 Throttle Body Kit, 0-80496-1

MSD 88364 Vacuum Advance Lockout for GM HEI

MSD 34564 Straight Spark Plug Boots, Gray, With Logo, 50 Count

MSD 31173 Universal 6 Cylinder 8.5mm Super Conductor Wire Set

Holley Main Jets

Holley 112-114 Throttle Body Kit, 0-80670

Holley 112-120 Throttle Body Kit, 0-80528-1

Holley Sniper 860028 Sniper EFI Throttle Linkage Kit, LS, 92mm

Holley Sniper 860030 Sniper EFI Throttle Linkage Kit, LS, 102mm

King Racing KRP-2122 Ez View Timing Window W/Aluminum Plug

Lucas 10683 10W40/Beehive Filter Hot Rod Oil Change Kit, 5 Quart

Maxima Racing Oils 39-019128 RS Full Synthetic, 10W30, 1 Gallon

Maxima Racing Oils 39-029128 HD Diesel Oil, 15W40, 1 Gallon

Maxima Racing Oils 39-109128 Break-In Oil, 10W30, 1 Gallon

Maxima Racing Oils 39-169128 RS Full Synthetic, 10W40, 1 Gallon

Maxima Racing Oils 39-329128 RS Full Synthetic, 15W50, 1 Gallon

Maxima Racing Oils 39-369128 Performance Mineral Oil, 50W, 1 Gal

Maxima Racing Oils 39-379128 Performance Mineral Oil, 60W, 1 Gal

Maxima 89-83964 Off Road Coolant, 64 OZ Bottle, Each

Maxima Racing Oils 22901901 RS Full Synthetic, 10W30, 12 Quart

Maxima Racing Oils 229369128 Performance Mineral Oil, 50W, 4 Gal

Maxima Racing Oils 229379128 Performance Mineral Oil, 60W, 4 Gal

Maxima 89-83964 Off Road Coolant, 64 OZ Bottles, Qty 6

Maxima 39-10901 Performance Break-In Engine Oil, 1QT, 10W30

Maxima Racing Oils 39-119128 Break-In oil, 15W50, 1 Gallon

Maxima Racing Oils 39-35901B Semi-Synthetic, 20W50, 1 Quart