1975 GMC C25 Engine Parts

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1975 GMC C25

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1975 GMC C25

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-7%

Mallory Ignition |

#500937C

Mallory Ignition 937C PSW Ceramic Universal Wire Set, 90 Degree

(7)

Conductor Style:

Spiral Core

Diameter:

$212.95

/set

$230.95

Carburetor Idle Knob Screw, 10-32 Thread, Knurled Knob

Speedway Motors |

#91015000

Carburetor Idle Knob Screw, 10-32 Thread, Knurled Knob

(2)

Sold in Quantity:

Each

$16.49

/each

Speedway Motors |

#91019980

Speedway Motors LS Swap Cast Iron V Band Exhaust Manifold, RH

(1)

Material Type:

Cast Iron

Hardware Included:

Yes

as low as

$168.99

/each

Speedway Premium Dry Media Air Filter Elements, 14 Inch

Speedway Motors |

#91014010

Speedway Premium Dry Media Air Filter Elements, 14 Inch

(1)

Filter Color:

White

Overall Diameter:

14"

Sold in Quantity:

Each

as low as

$89.99

/each

-5%

Holley Sniper |

#42555052

Holley Sniper 2 EFI Conversion Kit, With PDM, 3.5 In Handheld

(2)

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

650

as low as

$1,599.95

/kit

$1,687.95

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.

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.

55 Chevy Engine Build

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

65 Nova Engine Suggestions

In this Tech Tip, John gets to answer a favorite question of ours, what engine should I get?

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.

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.

Engine Cylinder Numbers

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.

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.

NASCAR Engines Through the Years

In honor of NASCAR's 75th anniversary, we're taking a look at a few remarkable engines that have powered our favorite racers to victory through the years.

-7%

Earls |

#425SS983203ERL

Earls SS983203ERL Straight -3 AN Bulkhead, Stainless Steel

(4)

AN Size:

-3 AN

Angle:

Straight

Fitting End A:

-3 AN Male

$18.95

/each

$20.50

Anodized Aluminum -4 AN Flare Plug Fitting, Black

Speedway Motors |

#61760181

Anodized Aluminum -4 AN Flare Plug Fitting, Black

(1)

Fitting End A:

-4 AN

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$4.99

/each

Spectre 60183 Steel Pipe Plug Kit, 1/8, 1/4, 3/8, 1/2 Inch

Spectre Performance |

#46560183

Spectre 60183 Steel Pipe Plug Kit, 1/8, 1/4, 3/8, 1/2 Inch

Fitting Type:

Plug Fitting

Fitting Size 1:

Male NPT

Fitting Attachment 1:

Male NPT

$20.99

/set

-7%

Mr Gasket |

#42578080G

Mr Gasket 78080G Silicone RTV, Grey, 3 oz Tube

(1)

GTIN Code:

090127005521

Sold in Quantity:

Each

$14.64

/each

$15.84

216, 235, 261 Chevy 6 Cylinder Headers, Raw Finish

Speedway Motors |

#9301213

216, 235, 261 Chevy 6 Cylinder Headers, Raw Finish

(9)

Header Tube Type:

Shorty

Flange Style:

Standard

Primary Tube Diameter:

1-3/4"

$198.99

/set

Maxima |

#22911912

Maxima Racing Oils 22911901 Break-In oil, 15W50, 12 Quarts

(2)

Oil Weight:

15W50

Oil Type:

Break-In

ZDDP Enhanced:

Yes

$104.99

/box

-7%

Earls |

#425961644ERL

Earls 961644ERL Straight -4 AN Male to 1/4 Inch NPT, Zinc Plated Steel

Fitting End A:

-4 AN Male

Fitting End B:

1/4" NPT Male

Angle:

Straight

$8.93

/each

$9.66

Hex Head -10 AN ORB Plug O-Ring Seal Port Fitting, Black

Speedway Motors |

#61760291

Hex Head -10 AN ORB Plug O-Ring Seal Port Fitting, Black

(1)

Fitting End A:

-10 AN O-ring

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$14.99

/each

Quick Fuel 25-45QFT Power Valve Assembly, 4.5 Inch

Quick Fuel Technology |

#4242545QFT

Quick Fuel 25-45QFT Power Valve Assembly, 4.5 Inch

GTIN Code:

849804011580

Primary Stage Opening Vacuum:

4.5"

$14.89

/each

Edelbrock |

#32543662

Edelbrock 43662 Pro-Flo High Flow Air Cleaner Assembly,Round,3in.,Blk

(3)

Shape:

Round

Overall Diameter:

14"

Filter Material:

Cotton Gauze

$154.95

/each

Aluminum Flare Reducer Adapter, Black, -8 AN to -10 AN

Speedway Motors |

#61761791

Aluminum Flare Reducer Adapter, Black, -8 AN to -10 AN

Angle:

Straight

Fitting End A:

-8 AN Male

Fitting End B:

-10 AN Male

$14.99

/each

-7%

Earls |

#425AT981506ERL

Earls AT981506ERL -6 AN Male Straight Union, Anodized Aluminum

(2)

Fitting End A:

-6 AN Male

Fitting End B:

-6 AN Male

Angle:

Straight

$9.42

/each

$10.19

-7%

Earls |

#425AT9892086ERL

Earls AT9892086ERL Female -8 AN to Male -6 AN Aluminum Flare Reducer

Angle:

Straight

Fitting End A:

-8 AN Female

Fitting End B:

-6 AN Male

$22.40

/each

$24.23

Edelbrock |

#3251221

Edelbrock 1221 Pro-Flo Chrome Air Cleaner Assembly, Round, 3 Inch

(8)

Shape:

Round

Overall Diameter:

14"

Filter Material:

Paper

$49.95

/each

Anodized Aluminum -8 AN Flare Plug Fitting

Speedway Motors |

#54523804

Anodized Aluminum -8 AN Flare Plug Fitting

(1)

Fitting End A:

-8 AN

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$5.49

/set

Aluminum Flare Tee Adapter Fitting, Blue, -3 AN

Speedway Motors |

#6174298

Aluminum Flare Tee Adapter Fitting, Blue, -3 AN

(1)

Fitting End A:

-3 AN Male

Fitting End B:

-3 AN Male

Fitting End C:

-3 AN Male

$10.99

/each

45 Degree Flare Adaptor, AN8 to 3/8 Inch NPT

Speedway Motors |

#6176096

45 Degree Flare Adaptor, AN8 to 3/8 Inch NPT

(2)

Fitting End A:

-8 AN Male

Fitting End B:

3/8" NPT Male

Angle:

45 degree

$13.99

/each

Holley |

#427371542

Holley 37-1542 4160 4 Barrel Carburetor Rebuild Fast Kit

(10)

GTIN Code:

090127437124

$55.95

/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

Moroso |

#54565224

Moroso 65224 Reusable Buna-N Holley Gaskets, Float Bowl

GTIN Code:

084663652240

Sold in Quantity:

Pair

$16.99

/pair

Billet Specialties |

#91067225

Billet Specialties 67225 Polished Aluminum 3/8 Inch Hose End Cover

Style:

Worm Gear | Housing

Material Type:

Aluminum

Color:

Natural

$24.95

/each

Sure Seal O-Ring Air Cleaner Spacer, Black

Speedway Motors |

#91011631

Sure Seal O-Ring Air Cleaner Spacer, Black

(1)

Material Type:

Aluminum

Finish:

Black

Sold in Quantity:

Each

$18.49

/each

-7%

Mr Gasket |

#55056AG

Mr Gasket 56AG Carburetor Gasket, Quadrajet, Open Center

(1)

Carburetor Barrels:

4-Barrel

Carburetor Flange Type:

4-Barrel Spread Bore

Gasket Material:

Nitrile rubber composite

$10.30

/each

$11.14

Speedway Motors |

#91017113

Chevy Bow Tie Wing Nut

(7)

Thread Pitch:

1/4"-20

Sold in Quantity:

Each

$16.49

/each

-23%

Royal Purple |

#29636520

Royal Purple HPS 5W20 High Performance Engine Oil, 6 Quart Case

(2)

Oil Weight:

5W20

Oil Type:

Synthetic

ZDDP Enhanced:

Yes

$77.94

/box

$101.94

-29%

Fragola |

#6172201051

Fragola 2201051-BL Straight Hose End Adapter Fitting, -8 AN to -6 AN

Fitting Hose Size:

-8 AN

Fitting End A:

-6 AN Female

Fitting End B:

-8 AN Hose

$11.99

/each

$16.89

-9%

PerTronix |

#447828224HT

Pertronix 828224HT Flame Thrower Spark Plug Wires, GM LS, 45 Deg

Conductor Style:

Spiral Core

Diameter:

$149.30

/kit

$164.23

-7%

Earls |

#425AT920508ERL

Earls AT920508ERL 90 Degree, -8 AN Male to -8 AN Female Swivel

(1)

Fitting End A:

-8 AN Male

Fitting End B:

-8 AN Female

Angle:

90 degree

$33.24

/each

$35.96

-9%

Aeromotive |

#10915610

Aeromotive 15610 -10 AN ORB to -8 AN Male Flare Reducer Fitting

Fitting End A:

-8 AN Male

Fitting End B:

-10 AN Male O-ring

Angle:

Straight

$29.08

/each

$31.99

-8%

Longacre |

#47545220

Longacre® 52-45220 Long Leg Caliper Fitting, 1/8 NPT x -4 AN

Fitting End A:

-4 AN Male

Fitting End B:

1/8" NPT Male

Angle:

90 degree

$10.99

/each

$11.99

Spectre 97998 Air Intake Tube, 4 in. OD, 8 in. Long

Spectre Performance |

#46597998

Spectre 97998 Air Intake Tube, 4 in. OD, 8 in. Long

(1)

Outside Diameter:

Finish:

Polished

Overall Length:

$133.99

/each

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1975 GMC C25 Engine Parts

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Products

Mallory Ignition 937C PSW Ceramic Universal Wire Set, 90 Degree

Carburetor Idle Knob Screw, 10-32 Thread, Knurled Knob

Speedway Motors LS Swap Cast Iron V Band Exhaust Manifold, RH

Speedway Premium Dry Media Air Filter Elements, 14 Inch

Holley Sniper 2 EFI Conversion Kit, With PDM, 3.5 In Handheld

Related Articles

Earls SS983203ERL Straight -3 AN Bulkhead, Stainless Steel

Anodized Aluminum -4 AN Flare Plug Fitting, Black

Spectre 60183 Steel Pipe Plug Kit, 1/8, 1/4, 3/8, 1/2 Inch

Mr Gasket 78080G Silicone RTV, Grey, 3 oz Tube

216, 235, 261 Chevy 6 Cylinder Headers, Raw Finish

Maxima Racing Oils 22911901 Break-In oil, 15W50, 12 Quarts

Earls 961644ERL Straight -4 AN Male to 1/4 Inch NPT, Zinc Plated Steel

Hex Head -10 AN ORB Plug O-Ring Seal Port Fitting, Black

Quick Fuel 25-45QFT Power Valve Assembly, 4.5 Inch

Edelbrock 43662 Pro-Flo High Flow Air Cleaner Assembly,Round,3in.,Blk

Aluminum Flare Reducer Adapter, Black, -8 AN to -10 AN

Earls AT981506ERL -6 AN Male Straight Union, Anodized Aluminum

Earls AT9892086ERL Female -8 AN to Male -6 AN Aluminum Flare Reducer

Edelbrock 1221 Pro-Flo Chrome Air Cleaner Assembly, Round, 3 Inch

Anodized Aluminum -8 AN Flare Plug Fitting

Aluminum Flare Tee Adapter Fitting, Blue, -3 AN

45 Degree Flare Adaptor, AN8 to 3/8 Inch NPT

Holley 37-1542 4160 4 Barrel Carburetor Rebuild Fast Kit

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

Moroso 65224 Reusable Buna-N Holley Gaskets, Float Bowl

Billet Specialties 67225 Polished Aluminum 3/8 Inch Hose End Cover

Sure Seal O-Ring Air Cleaner Spacer, Black

Mr Gasket 56AG Carburetor Gasket, Quadrajet, Open Center

Chevy Bow Tie Wing Nut

Royal Purple HPS 5W20 High Performance Engine Oil, 6 Quart Case

Fragola 2201051-BL Straight Hose End Adapter Fitting, -8 AN to -6 AN

Pertronix 828224HT Flame Thrower Spark Plug Wires, GM LS, 45 Deg

Earls AT920508ERL 90 Degree, -8 AN Male to -8 AN Female Swivel

Aeromotive 15610 -10 AN ORB to -8 AN Male Flare Reducer Fitting

Longacre® 52-45220 Long Leg Caliper Fitting, 1/8 NPT x -4 AN

Spectre 97998 Air Intake Tube, 4 in. OD, 8 in. Long