1978 GMC C25 Engine Parts

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1978 GMC C25

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1978 GMC C25

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$200 Off

Holley |

#4255501013

Holley 550-1013 Terminator X Max Stealth 4150 EFI wTrans Control

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

650

$2,499.95

/each

$2,699.95

$175 Off

Holley Sniper |

#425550842

Holley Sniper 550-842 EFI Stealth 4500, Black Ceramic Finish

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

350

$2,299.95

/kit

$2,474.95

-6%

Holley Sniper |

#425550849

Holley Sniper 550-849 EFI 2300 2-Barrel Self-Tuning Base Kit

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

ECM Included:

Yes

$1,299.95

/each

$1,383.95

$200 Off

Holley |

#4255501011

Holley 550-1011 Terminator X Max Stealth 4150 EFI wTrans Control

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

650

$2,499.95

/each

$2,699.95

$200 Off

Holley |

#4255501012

Holley 550-1012 Terminator X Max Stealth 4150 EFI wTrans Control

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

650

$2,499.95

/each

$2,699.95

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.

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.

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.

1946 Ford Sedan Delivery Engine Detail

Speedway Motors Product Manager Jeff K. talks about how to really make your engine bay stand out from the crowd with just a little patience, and some Speedway products.

Chevy L79 327 Engine I History, Specs, & Build Ideas

The 1964 Corvette L79 327 is legendary, learn more about this storied engine and what you need to build a clone.

Engine Cylinder Numbers

55 Chevy Engine Build

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

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.

LS Engine Install and SEMA Show | 1968 C10 Build Episode 5

In this episode of our '68 C10 project, we hit a couple big milestones. The engine goes in and we hit our first car show. It may be just a rolling chassis, but we're mighty proud of how far we've come.

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.

-7%

Holley |

#425554203

Holley EFI 554-203 Boosted Sensor Kit - MAP, IAT, Temp, Pressure

MAP Sensor Included:

Yes

Sold in Quantity:

Kit

$531.95

/kit

$575.95

-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

Mobil 1 |

#324124322

Mobil 1 124322 Advanced Fuel Economy Oil, 0W-16, 5 Qt, Case Of 3

Oil Weight:

0W16

Oil Type:

Synthetic

ZDDP Enhanced:

$145.99

/box

VS Racing |

#60312351

VS Racing VSRTB7665BLT VSR Next Gen 76/65 Billet T4 Turbo .81 AR

Turbine Housing Inlet Flange:

Turbine Housing Outlet Flange:

3 Inch V-Band

Turbocharger Style:

$379.99

/each

-7%

Earls |

#425502403ERL

Earls 502403ERL Bulkhead Nut, -3 AN, Zinc Plated, Steel Construction

(1)

AN Size:

-3 AN

Material Type:

Steel

Finish:

Zinc

$14.89

/pair

$16.11

-7%

Earls |

#425AT700145ERL

Earls AT700145ERL Super Stock Straight -4 AN Female to 1/4 Inch Barb

Fitting Hose Size:

-4 AN

Fitting End A:

-4 AN Female

Fitting End B:

-4 AN Hose

$10.60

/each

$11.46

-7%

Earls |

#425AT921104ERL

Earls AT921104ERL 90 Degree -4 AN Male to -4 AN Female Swivel

(1)

Fitting End A:

-4 AN Male

Fitting End B:

-4 AN Female

Angle:

90 degree

$33.24

/each

$35.96

45 Degree Socketless Push-On Hose End, Nickel, -6 AN

Speedway Motors |

#6201522

45 Degree Socketless Push-On Hose End, Nickel, -6 AN

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$18.99

/each

-16%

PRW 4120453 Valve Cover Oil Filler Cap, Universal, Billet

PRW Power |

#5754120453

PRW 4120453 Valve Cover Oil Filler Cap, Universal, Billet

(2)

Attachment Style:

Twist-in

Style:

Plain

Shape:

Round

$27.47

/each

$32.96

Vintage Air |

#72515127SCA

Vintage Air 15127-SCA A/C Compressor Bracket, Small Block Chevy

(3)

Fits A/C Compressor Style:

Sanden SD

Water Pump Style:

Short

Mounting Side:

Passenger Side

$136.99

/each

Anodized Aluminum -10 AN Flare Plug Fitting, Blue

Speedway Motors |

#6176021

Anodized Aluminum -10 AN Flare Plug Fitting, Blue

Fitting End A:

-10 AN

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$5.99

/each

Stainless Steel -3 AN Straight Bulkhead Tee Adapter Brake Fitting

Speedway Motors |

#6178513

Stainless Steel -3 AN Straight Bulkhead Tee Adapter Brake Fitting

(5)

AN Size:

-3 AN

Angle:

Tee

Fitting End A:

-3 AN Male

$23.99

/each

Bolt-On Billet Aluminum Engine Oil Filler Caps, Short

Speedway Motors |

#91011088

Bolt-On Billet Aluminum Engine Oil Filler Caps, Short

(15)

Attachment Style:

Bolt-on

Style:

Plain

Shape:

Round

$25.99

/each

-25%

Fragola |

#617495121

Fragola 495120-BL Radius -16 AN to -12AN O-Ring Fitting Adapter

Fitting End A:

-16 AN Male

Fitting End B:

-12 AN Male O-ring

Angle:

Straight

$31.00

/each

$41.51

-7%

Earls |

#425963303ERL

Earls 963303ERL 90 Degree -3 AN Bulkhead Union, Zinc Plated Steel

AN Size:

-3 AN

Angle:

90 degree

Fitting End A:

-3 AN Male

$14.88

/each

$16.10

-11%

Holley |

#4259776

Holley 0-9776 4160 Dual Quad 450 CFM 4 Barrel Carburetor

(7)

Carburetor Barrels:

4-Barrel

Fuel Type:

Gasoline

Choke Type:

No Choke

$599.95

/each

$674.95

Spectre 42533 Carburetor Mounting Studs, 2-1/2 Inch Length, Set of 4

Spectre Performance |

#46542533

Spectre 42533 Carburetor Mounting Studs, 2-1/2 Inch Length, Set of 4

(4)

Overall Length:

2.50"

Thread Pitch:

5/16"-18

Material Type:

Steel

$9.99

/each

Speedway Full Flow Swivel Hose End Fitting, Straight, Nickel, -12 AN

Speedway Motors |

#62010050

Speedway Full Flow Swivel Hose End Fitting, Straight, Nickel, -12 AN

Fitting Hose Size:

-12 AN

Fitting End A:

-12 AN Female

Fitting End B:

-12 AN Hose

$18.99

/each

Quick Fuel 8-100QFT Flange Gasket, Holley 2-Barrel

Quick Fuel Technology |

#4248100QFT

Quick Fuel 8-100QFT Flange Gasket, Holley 2-Barrel

Carburetor Barrels:

2-Barrel

Carburetor Flange Type:

2-Barrel 4-Bolt

GTIN Code:

849804013591

$11.91

/each

FiTech |

#521630001

FiTech 60013-30001 Programmer For 30001, 30002 Handheld Go EFI 4

(1)

Sold in Quantity:

Each

Component Type:

Hand held controller

$167.00

/each

-53%

Fragola |

#62020221

Fragola 209004-BL Series 8000 Push-Lite Hose End, 90 Deg, -4 AN

Fitting Hose Size:

-4 AN

Fitting End A:

-4 AN Female

Fitting End B:

-4 AN Hose

$15.99

/each

$34.15

Holley |

#425108124

Holley 108-124 Base Gasket for Model 4150 Ultra XP

Carburetor Barrels:

4-Barrel

Carburetor Flange Type:

4-Barrel Square Bore

Gasket Material:

Composite

$14.87

/each

Speedway Hot Rod Air Scoop for 94/97 Carburetors

Speedway Motors |

#91003011

Speedway Hot Rod Air Scoop for 94/97 Carburetors

(4)

Overall Length:

5.5"

Overall Width:

Overall Height:

$45.99

/each

Speedway Motors |

#91015049

3.5 Inch Hose Clamps-2pk

(4)

Style:

Worm Gear

Material Type:

Stainless Steel

Color:

Natural

$3.49

/bag

-20%

Remflex Gaskets |

#63918010

Remflex Gaskets 18-010 Turbo "Tial" 38MM Wastegate Gasket

Sold in Quantity:

Set

GTIN Code:

878891002676

$15.11

/each

$18.89

Lokar |

#491XED5011

Lokar XED-5011 Midnight Series Flex. Engine Dipstick, Big Block Ford

Color:

Black

Sold in Quantity:

Each

$113.95

/each

-12%

Powermaster |

#255113

Powermaster 113 Alternator Pulley, 2 Groove, V-Belt

(6)

Material Type:

Steel

Sold in Quantity:

Each

$23.99

/each

$27.50

-7%

Earls |

#425AT809010ERL

Earls AT809010ERL 90 Degree -10 AN Female to -10 AN Swivel Low Profile

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$59.89

/each

$64.95

-7%

Earls |

#425100160ERL

Earls 100160ERL Distribution Block, -8 O-Ring to -6 O-Ring

Fitting End A:

8 AN FEMALE

Fitting End B:

6 AN Female

Fitting End C:

6 AN Female

$59.89

/each

$64.95

-6%

Holley |

#42520210

Holley 20-210 Low Mount A/C Brackets, Gen 5 LT4/LT1 Dry Sump

Material Type:

Billet Aluminum

Finish:

Clear Anodized

Fits A/C Compressor Style:

Sanden SD7B10

$374.95

/each

$402.95

Speedway Motors |

#9101748

LS Engine Swap Conversion Low Profile Oil Pan, Zinc, 10 AN

(5)

Sump Style:

Wet Sump

Sump Location:

Rear

Rear Main Seal Style:

1-piece

$223.99

/each

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1978 GMC C25 Engine Parts

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Products

Holley 550-1013 Terminator X Max Stealth 4150 EFI wTrans Control

Holley Sniper 550-842 EFI Stealth 4500, Black Ceramic Finish

Holley Sniper 550-849 EFI 2300 2-Barrel Self-Tuning Base Kit

Holley 550-1011 Terminator X Max Stealth 4150 EFI wTrans Control

Holley 550-1012 Terminator X Max Stealth 4150 EFI wTrans Control

Related Articles

Holley EFI 554-203 Boosted Sensor Kit - MAP, IAT, Temp, Pressure

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

Mobil 1 124322 Advanced Fuel Economy Oil, 0W-16, 5 Qt, Case Of 3

VS Racing VSRTB7665BLT VSR Next Gen 76/65 Billet T4 Turbo .81 AR

Earls 502403ERL Bulkhead Nut, -3 AN, Zinc Plated, Steel Construction

Earls AT700145ERL Super Stock Straight -4 AN Female to 1/4 Inch Barb

Earls AT921104ERL 90 Degree -4 AN Male to -4 AN Female Swivel

45 Degree Socketless Push-On Hose End, Nickel, -6 AN

PRW 4120453 Valve Cover Oil Filler Cap, Universal, Billet

Vintage Air 15127-SCA A/C Compressor Bracket, Small Block Chevy

Anodized Aluminum -10 AN Flare Plug Fitting, Blue

Stainless Steel -3 AN Straight Bulkhead Tee Adapter Brake Fitting

Bolt-On Billet Aluminum Engine Oil Filler Caps, Short

Fragola 495120-BL Radius -16 AN to -12AN O-Ring Fitting Adapter

Earls 963303ERL 90 Degree -3 AN Bulkhead Union, Zinc Plated Steel

Holley 0-9776 4160 Dual Quad 450 CFM 4 Barrel Carburetor

Spectre 42533 Carburetor Mounting Studs, 2-1/2 Inch Length, Set of 4

Speedway Full Flow Swivel Hose End Fitting, Straight, Nickel, -12 AN

Quick Fuel 8-100QFT Flange Gasket, Holley 2-Barrel

FiTech 60013-30001 Programmer For 30001, 30002 Handheld Go EFI 4

Fragola 209004-BL Series 8000 Push-Lite Hose End, 90 Deg, -4 AN

Holley 108-124 Base Gasket for Model 4150 Ultra XP

Speedway Hot Rod Air Scoop for 94/97 Carburetors

3.5 Inch Hose Clamps-2pk

Remflex Gaskets 18-010 Turbo "Tial" 38MM Wastegate Gasket

Lokar XED-5011 Midnight Series Flex. Engine Dipstick, Big Block Ford

Powermaster 113 Alternator Pulley, 2 Groove, V-Belt

Earls AT809010ERL 90 Degree -10 AN Female to -10 AN Swivel Low Profile

Earls 100160ERL Distribution Block, -8 O-Ring to -6 O-Ring

Holley 20-210 Low Mount A/C Brackets, Gen 5 LT4/LT1 Dry Sump

LS Engine Swap Conversion Low Profile Oil Pan, Zinc, 10 AN