1975 GMC C25 Engine Parts

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1975 GMC C25

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1975 GMC C25

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Speedway Gasser Finned Aluminum Single Quad Carburetor Air Scoops

Speedway Motors |

#9105246

Speedway Gasser Finned Aluminum Single Quad Carburetor Air Scoops

(138)

Overall Width:

9.66"

Fuel Intake Type:

Single Quad

Inlet Diameter (Fraction):

5-1/8"

as low as

$99.99

/each

Stainless T-Bolt Clamp, 4-1/4 Inch Minimum Clamping Diameter

Speedway Motors |

#910553360

Stainless T-Bolt Clamp, 4-1/4 Inch Minimum Clamping Diameter

Style:

T-Bolt

Material Type:

Stainless Steel

Color:

Natural

$7.49

/each

Speedway Motors |

#2891001

GM 10SI 1 Wire Alternator, 110 Amp

(43)

One Wire Alternator:

Yes

Alternator Amperage:

110 amp

Pulley Style:

V-belt

as low as

$149.99

/each

Speedway Motors |

#91003780

Valve Cover Studs, Set of 8

(27)

Overall Length:

1.50"

Thread Pitch:

1/4"-20

Material Type:

Steel

$16.99

/set

Holley |

#42512887

Holley 12-887 By Pass Style Carbureted Fuel Pressure Regulator

(7)

Regulator Style:

Return

Material Type:

Aluminum

$84.35

/each

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.

Speedway Washable Air Filter Element, 14 x 4 Inch

Speedway Motors |

#91011084

Speedway Washable Air Filter Element, 14 x 4 Inch

(46)

Air Filter Style:

Round

Filter Material:

Reusable Cotton Gauze

Color:

Black

$32.99

/each

FiTech |

#52130003

FiTech 30003 Go Street 400 HP Throttle Body EFI Kit

(26)

Injection Style:

Throttle Body

Max Horsepower Rating:

400

ECM Included:

Yes

$869.00

/each

Universal Bolt-Through Engine Mount Cushion Kit

Speedway Motors |

#7209314

Universal Bolt-Through Engine Mount Cushion Kit

(284)

Attachment Style:

Weld-on/Bolt-on

Mount Material:

Aluminum/Steel

Bushing Material:

Rubber

$40.99

/pair

Speedway Deluxe AN6 GM LS Swap Fuel Filter/Regulator, 58 PSI

Speedway Motors |

#91012808

Speedway Deluxe AN6 GM LS Swap Fuel Filter/Regulator, 58 PSI

(71)

Regulator Style:

Return

Material Type:

Steel

$74.99

/each

-7%

Earls |

#425AT981668ERL

Earls AT981668ERL -6 AN Male to 1/2 Inch NPT Straight Adapter

(1)

Fitting End A:

-6 AN Male

Fitting End B:

1/2" NPT Male

Angle:

Straight

$19.43

/each

$21.02

90 Degree Flare Adaptor, AN6 to 3/8 Inch NPT

Speedway Motors |

#6176084

90 Degree Flare Adaptor, AN6 to 3/8 Inch NPT

(9)

Fitting End A:

-6 AN Male

Fitting End B:

3/8" NPT Male

Angle:

90 degree

$15.99

/each

Speedway Motors |

#91011063

Sure Seal O-Ring Air Cleaner Spacer

(116)

Inside Diameter:

5.04"

Material Type:

Aluminum

Sold in Quantity:

Each

$21.99

/each

BlockDock™ Chevy Engine Stand Mounting Adapter Plate, LS/SBC/BBC

Speedway Motors |

#91000600

BlockDock™ Chevy Engine Stand Mounting Adapter Plate, LS/SBC/BBC

(25)

Material Type:

Billet Aluminum

Finish:

Natural

Color:

Natural

$105.99

/each

Fuel and Oil Line Hose Nipple Fitting Kit, 3/8 Hose to 1/4 NPT

Speedway Motors |

#91023100

Fuel and Oil Line Hose Nipple Fitting Kit, 3/8 Hose to 1/4 NPT

(11)

Fitting End A:

3/8" Hose barb

Fitting End B:

1/4" NPT Male

Angle:

Straight

$4.49

/set

Redline |

#91015709

Redline 80204 Water Wetter Coolant Additive

(36)

Sold in Quantity:

Each

GTIN Code:

083522802048

$15.99

/each

Low Mount Alternator Bracket for Mini Race Alternator, SBC

Speedway Motors |

#91667997

Low Mount Alternator Bracket for Mini Race Alternator, SBC

(12)

Mounting Side:

Driver Side

Bracket Style:

Low Mount

Material Type:

Steel

$99.99

/set

Gates |

#39532925

Gates 32925 Power Grip Hose Clamp, 15/16 Inch - 1 1/16 Inch OD

(7)

Style:

Heat-Shrink

Material Type:

Thermoplastic

Color:

Black

$10.49

/each

Gates |

#39532948

Gates 32948 Power Grip Hose Clamp, 1 3/4 Inch - 2 Inch OD

(13)

Style:

Heat-Shrink

Material Type:

Thermoplastic

Color:

Black

$17.99

/each

Black Straight -6 AN Flare to 1/4 Inch NPT Pipe Adapter Fitting

Speedway Motors |

#61760441

Black Straight -6 AN Flare to 1/4 Inch NPT Pipe Adapter Fitting

(13)

Fitting End A:

-6 AN Male

Fitting End B:

1/4" NPT Male

Angle:

Straight

$7.99

/each

GM Denso Style 1-Wire Mini Race Alternator, 90 Amp

Speedway Motors |

#2891004

GM Denso Style 1-Wire Mini Race Alternator, 90 Amp

(33)

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Pulley Style:

V-belt

as low as

$162.99

/each

Speedway Engine Motor Oil Filter Cutter Tool

Speedway Motors |

#91081031

Speedway Engine Motor Oil Filter Cutter Tool

(60)

Sold in Quantity:

Each

$29.99

/each

Speedway Super Seal® Air Cleaner Base Gasket

Speedway Motors |

#91011101

Speedway Super Seal® Air Cleaner Base Gasket

(67)

Sold in Quantity:

Each

Inlet Diameter (Fraction):

5-1/8"

$13.49

/each

PennGrade |

#6332050

PennGrade 1 SAE 20W50 Synthetic Performance Engine Oil, 12 Qt.

(36)

Oil Weight:

20W50

Oil Type:

Synthetic Blend

ZDDP Enhanced:

Yes

$114.99

/box

Mobil Delvac Extreme 122454 Diesel Engine Oil, 10W-30, 4 Gallons

Mobil 1 |

#324122454

Mobil Delvac Extreme 122454 Diesel Engine Oil, 10W-30, 4 Gallons

(40)

Oil Weight:

10W30

Oil Type:

Synthetic

ZDDP Enhanced:

$107.99

/box

Edelbrock |

#3251948

Edelbrock 1948 AVS2 Series Carburetor Calibration Kit

(11)

GTIN Code:

085347019489

Sold in Quantity:

Kit

$84.95

/kit

K&N E-1650 Lifetime Performance Air Filter

K&N |

#465E1650

K&N E-1650 Lifetime Performance Air Filter

Air Filter Style:

Round

Filter Material:

Red cotton gauze

Overall Diameter:

14"

$83.99

/each

Mr Gasket |

#5506015

Mr Gasket 6015 Competition Wire Looms

(3)

GTIN Code:

084041060155

$18.95

/each

Holley |

#9109642

Holley 0-80508S 750CFM 4160 Carburetor w/Chrome Fuel Feed Line

(14)

Carburetor Barrels:

4-Barrel

Fuel Type:

Gasoline

Choke Type:

Electric

$524.99

/kit

Driven Racing Oil |

#91019306

Driven Racing Oil 19306 GP-1 Synthetic Blend 10W30 Oil, 12 Quarts

(4)

Oil Weight:

10W30

Oil Type:

Synthetic Blend

ZDDP Enhanced:

Yes

$179.64

/box

Maxima |

#22932901

Maxima Racing Oils 32-32901 RS Full Synthetic, 15W50, 1 Quart

Oil Weight:

15W50

Oil Type:

Synthetic

ZDDP Enhanced:

Yes

$20.99

/quart

Edelbrock |

#3251470

Edelbrock 1470 Performer Series Carburetor Accelerator Pump Assembly

(1)

GTIN Code:

085347014705

Sold in Quantity:

Each

$22.95

/each

Spark Plug Indexing Washers, 14mm Flat Seat, 30 Pk

Speedway Motors |

#54571910

Spark Plug Indexing Washers, 14mm Flat Seat, 30 Pk

(9)

Material Type:

Copper

Sold in Quantity:

Set

$26.99

/set

Driven Racing Oil |

#91003807

Driven Racing Oil 03807 HR5 Conventional 10W40 Motor Oil, 12 Quarts

(15)

Oil Weight:

10W40

Oil Type:

Conventional

ZDDP Enhanced:

Yes

$143.88

/box

SBC Block Hugger Headers for Tight-Fit Small Block Chevy 350

Speedway Motors |

#9300101

SBC Block Hugger Headers for Tight-Fit Small Block Chevy 350

(48)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Oval

Flange Style:

Standard

$141.99

/pair

Offenhauser |

#56058500

Offenhauser Chrome Universal Adjust. Fuel Pressure Regulator, 1-6 PSI

(47)

Regulator Style:

Adjustable

Material Type:

Steel

$35.99

/each

Speedway 1985-1992 GM TBI Engine EFI Wiring Harness

Speedway Motors |

#91008592

Speedway 1985-1992 GM TBI Engine EFI Wiring Harness

(15)

$396.99

/each

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1975 GMC C25 Engine Parts

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Products

Speedway Gasser Finned Aluminum Single Quad Carburetor Air Scoops

Stainless T-Bolt Clamp, 4-1/4 Inch Minimum Clamping Diameter

GM 10SI 1 Wire Alternator, 110 Amp

Valve Cover Studs, Set of 8

Holley 12-887 By Pass Style Carbureted Fuel Pressure Regulator

Related Articles

Speedway Washable Air Filter Element, 14 x 4 Inch

FiTech 30003 Go Street 400 HP Throttle Body EFI Kit

Universal Bolt-Through Engine Mount Cushion Kit

Speedway Deluxe AN6 GM LS Swap Fuel Filter/Regulator, 58 PSI

Earls AT981668ERL -6 AN Male to 1/2 Inch NPT Straight Adapter

90 Degree Flare Adaptor, AN6 to 3/8 Inch NPT

Sure Seal O-Ring Air Cleaner Spacer

BlockDock™ Chevy Engine Stand Mounting Adapter Plate, LS/SBC/BBC

Fuel and Oil Line Hose Nipple Fitting Kit, 3/8 Hose to 1/4 NPT

Redline 80204 Water Wetter Coolant Additive

Low Mount Alternator Bracket for Mini Race Alternator, SBC

Gates 32925 Power Grip Hose Clamp, 15/16 Inch - 1 1/16 Inch OD

Gates 32948 Power Grip Hose Clamp, 1 3/4 Inch - 2 Inch OD

Black Straight -6 AN Flare to 1/4 Inch NPT Pipe Adapter Fitting

GM Denso Style 1-Wire Mini Race Alternator, 90 Amp

Speedway Engine Motor Oil Filter Cutter Tool

Speedway Super Seal® Air Cleaner Base Gasket

PennGrade 1 SAE 20W50 Synthetic Performance Engine Oil, 12 Qt.

Mobil Delvac Extreme 122454 Diesel Engine Oil, 10W-30, 4 Gallons

Edelbrock 1948 AVS2 Series Carburetor Calibration Kit

K&N E-1650 Lifetime Performance Air Filter

Mr Gasket 6015 Competition Wire Looms

Holley 0-80508S 750CFM 4160 Carburetor w/Chrome Fuel Feed Line

Driven Racing Oil 19306 GP-1 Synthetic Blend 10W30 Oil, 12 Quarts

Maxima Racing Oils 32-32901 RS Full Synthetic, 15W50, 1 Quart

Edelbrock 1470 Performer Series Carburetor Accelerator Pump Assembly

Spark Plug Indexing Washers, 14mm Flat Seat, 30 Pk

Driven Racing Oil 03807 HR5 Conventional 10W40 Motor Oil, 12 Quarts

SBC Block Hugger Headers for Tight-Fit Small Block Chevy 350

Offenhauser Chrome Universal Adjust. Fuel Pressure Regulator, 1-6 PSI

Speedway 1985-1992 GM TBI Engine EFI Wiring Harness