GMC C25 Engine Parts

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GMC C25

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$103 Off

Powermaster |

#25528478

Powermaster 28478 Race Alternator, 100A, XS Volt 1 Wire Regulator

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$345.99

/each

$448.75

BluePrint Engines |

#227BPP12110345

BluePrint Engines BPP12110345 SBC Block, 4.125 Bore, 400 Mains

Main Journal Style:

400 mains

Deck Height:

9.025"

Material Type:

Cast Iron

$2,299.99

/each

$103 Off

Powermaster |

#25528478114

Powermaster 28478-114 Race Alternator, 100A, XS Volt 1 Wire Reg

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Polished

$345.99

/each

$448.75

BluePrint Engines |

#227BPP12110325

BluePrint Engines BPP12110325 BBC Block, 10.200 Deck x 4.500 Bore

Main Journal Style:

454 mains

Deck Height:

10.200"

Material Type:

Cast Iron

$4,799.99

/each

$102 Off

Powermaster |

#25548163

Powermaster 48163 Alternator, 200 Amp

One Wire Alternator:

Yes

Alternator Amperage:

200 amp

Alternator Finish:

Natural

$343.99

/each

$446.25

Speedway Motors Introduces New IMCA Modified Spec Racing Engine as they Kick Off 2025 Race Season

Speedway Motors announced today the introduction of a new IMCA Modified Spec Racing Engine as they kick off the 2025 race season along with discounts Jan. 27-Feb. 2 to help their customers get ready for race season.

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.

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.

Centering a 525 Steering Gear

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

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.

-21%

Powermaster |

#255837529110

Powermaster 8-37529-110 CS130 Chrysler Upgrade Alternator, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Chrome

$275.99

/each

$352.50

-22%

Powermaster |

#25518414

Powermaster 18414 GM AD230 Alternator, 120A, 6-Groove, Chrome

One Wire Alternator:

Yes

Alternator Amperage:

120 amp

Alternator Finish:

Chrome

$301.99

/each

$387.50

-8%

Hilborn |

#425300805

Hilborn 300-805 Ram Tube Set of 8, 3 ID x 8 Inch Long, Alum

Material Type:

Aluminum

Sold in Quantity:

Kit

$949.95

/kit

$1,037.95

-8%

Hilborn |

#425300806

Hilborn 300-806 Ram Tube Set of 8, 3 ID x 12 Inch Long, Alum

Material Type:

Aluminum

Sold in Quantity:

Kit

$999.95

/kit

$1,094.95

$209 Off

Holley |

#425534302

Holley 534-302 Terminator X Stealth 4500 Throttle Body, Black

Throttle Body Style:

Throttle Body Injection (TBI)

Sold in Quantity:

Each

$2,499.95

/each

$2,708.95

-9%

Turbosmart |

#37506201143

Turbosmart TS-0620-1143 Single Scroll Wastegate, BorgWarner 14PSI

GTIN Code:

9329677014815

$214.95

/each

$238.83

BTR BTR-9192-2122-158 S400 91/102 Journal Bearing Turbo T6 1.58AR

BTR |

#36984040

BTR BTR-9192-2122-158 S400 91/102 Journal Bearing Turbo T6 1.58AR

Turbocharger Style:

S400

Turbocharger Bearing Style:

Journal Bearing

$1,349.99

/each

BTR BTR-94102-3222-124 GT55 94/112 Tri Ball Bearing Turbo 1.24AR

BTR |

#36984042

BTR BTR-94102-3222-124 GT55 94/112 Tri Ball Bearing Turbo 1.24AR

$2,199.99

/each

BTR BTR-94102-3232-141 Gt55 94/112 Tri Ball Turbo, V-band, 1.41AR

BTR |

#36984043

BTR BTR-94102-3232-141 Gt55 94/112 Tri Ball Turbo, V-band, 1.41AR

$2,199.99

/each

BTR BTR-98102-3222-124 GT55 98/112 Tri Ball Turbo, T6, 1.24AR

BTR |

#36984047

BTR BTR-98102-3222-124 GT55 98/112 Tri Ball Turbo, T6, 1.24AR

$2,249.99

/each

-10%

Turbosmart |

#37508011003

Turbosmart TS-0801-1003 Oil Pressure Regulator, 40PSI, Blue

Material Type:

Stainless Steel

Adjustable:

Mounting Hardware Included:

$138.95

/each

$154.39

BTR BTR-98112-4232-125 G57 98/118 Tri Ball Turbo, V-band, 1.25AR

BTR |

#36984049

BTR BTR-98112-4232-125 G57 98/118 Tri Ball Turbo, V-band, 1.25AR

$2,899.99

/each

Turbosmart |

#37516262VB

Turbosmart TS-1-6262VB082E Turbocharger, Reverse, 6262, V-Band

$1,899.95

/each

Turbosmart |

#37526466VB

Turbosmart TS-2-6466VB082E Turbocharger Water Cooled V-Band 6466

$2,124.95

/each

-10%

Turbosmart |

#37519WFT4

T4 INLT WELD FLANGE

as low as

$46.79

/each

$51.99

-10%

Turbosmart |

#37519WFVO3400

Turbosmart TS-19WFVO3-400 Turbocharger V-Band Clamp 4.00 Inch

$40.95

/each

$45.50

-9%

Turbosmart |

#37519WFVO3450

Turbosmart TS-19WFVO3-450 Turbocharger V-Band Flange, 4.50 Inch

$44.95

/each

$49.94

-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

BluePrint Engines |

#227BPP12110348

BluePrint Engines BPP12110348 SBC Block, 4.125 Bore, 400 Mains

Main Journal Style:

400 mains

Deck Height:

9.025"

Material Type:

Cast Iron

$3,999.00

/each

BluePrint Engines |

#227BPP12110349

BluePrint Engines BPP12110349 SBC Block, 4.125 Bore, 350 Main 1pc

Main Journal Style:

350 mains

Deck Height:

9.025"

Material Type:

Cast Iron

$2,299.99

/each

BluePrint Engines |

#227BPP12110332

BluePrint Engines BPP12110332 BBC Block, 9.800 Deck x 4.250 Bore

Main Journal Style:

454 mains

Deck Height:

9.800"

Material Type:

Cast Iron

$4,799.99

/each

BluePrint Engines |

#227BPP12110334

BluePrint Engines BPP12110334 BBC Block, 9.800 Deck x 4.560 Bore

Main Journal Style:

454 mains

Deck Height:

9.800"

Material Type:

Cast Iron

$4,799.99

/each

-22%

Powermaster |

#25528462

Powermaster 28462 Race Alternator, 90 Amp, 12V 1 Wire Regulator

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Alternator Finish:

Polished

$315.99

/each

$407.50

BluePrint Engines |

#227BPP12110335

BluePrint Engines BPP12110335 SBF Block, 9.500 Deck x 4.125 Bore

Main Journal Style:

Ford 351 Cleveland

Deck Height:

9.500"

Material Type:

Cast Iron

$4,399.99

/each

-18%

Powermaster |

#25528462114

Powermaster 28462-114 Race Alternator, 90A, 12V 1 Wire Regulator

One Wire Alternator:

Yes

Alternator Amperage:

90 amp

Alternator Finish:

Polished

$330.99

/each

$407.50

BluePrint Engines |

#227BPP12110337

BluePrint Engines BPP12110337 SBF Block, 9.500 Deck x 4.125 Bore

Main Journal Style:

Ford 351 Cleveland

Deck Height:

9.500"

Material Type:

Cast Iron

$3,599.00

/each

$103 Off

Powermaster |

#25528166

Powermaster 28166 Race Alternator, 55 Amps, V-belt, 16V

One Wire Alternator:

Yes

Alternator Amperage:

55 amp

Alternator Finish:

Polished

$345.99

/each

$448.75

-22%

Powermaster |

#2558116

Powermaster 8116 Race Alternator, 100 Amps, 16V

One Wire Alternator:

Yes

Alternator Amperage:

100 amp

Alternator Finish:

Natural

$312.99

/each

$403.75

$105 Off

Powermaster |

#2558126

Powermaster 8126 Race Alternator, 115 Amps, 16V

One Wire Alternator:

Yes

Alternator Amperage:

115 amp

Alternator Finish:

Powder Coated

$394.99

/each

$500.00

BluePrint Engines |

#227BPP12110330

BluePrint Engines BPP12110330 BBC Block, 9.800 Deck x 4.600 Bore

Main Journal Style:

454 mains

Deck Height:

9.800"

Material Type:

Cast Iron

$4,799.99

/each

BluePrint Engines |

#227BPP12110357

BluePrint Engines BPP12110357 LS Block, 4.125, Cast Caps, 4-Bolt

Main Journal Style:

LS mains

Deck Height:

9.240"

Material Type:

Cast Iron

$3,999.99

/each

Showing 1 - 1800 of 5,961 results

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GMC C25 Engine Parts

Year

Subcategory

Part

Brand

Transmission Family

Availability

Engine Family

Discounts

Price

Customer Rating

Products

Powermaster 28478 Race Alternator, 100A, XS Volt 1 Wire Regulator

BluePrint Engines BPP12110345 SBC Block, 4.125 Bore, 400 Mains

Powermaster 28478-114 Race Alternator, 100A, XS Volt 1 Wire Reg

BluePrint Engines BPP12110325 BBC Block, 10.200 Deck x 4.500 Bore

Powermaster 48163 Alternator, 200 Amp

Related Articles

Powermaster 8-37529-110 CS130 Chrysler Upgrade Alternator, Chrome

Powermaster 18414 GM AD230 Alternator, 120A, 6-Groove, Chrome

Hilborn 300-805 Ram Tube Set of 8, 3 ID x 8 Inch Long, Alum

Hilborn 300-806 Ram Tube Set of 8, 3 ID x 12 Inch Long, Alum

Holley 534-302 Terminator X Stealth 4500 Throttle Body, Black

Turbosmart TS-0620-1143 Single Scroll Wastegate, BorgWarner 14PSI

BTR BTR-9192-2122-158 S400 91/102 Journal Bearing Turbo T6 1.58AR

BTR BTR-94102-3222-124 GT55 94/112 Tri Ball Bearing Turbo 1.24AR

BTR BTR-94102-3232-141 Gt55 94/112 Tri Ball Turbo, V-band, 1.41AR

BTR BTR-98102-3222-124 GT55 98/112 Tri Ball Turbo, T6, 1.24AR

Turbosmart TS-0801-1003 Oil Pressure Regulator, 40PSI, Blue

BTR BTR-98112-4232-125 G57 98/118 Tri Ball Turbo, V-band, 1.25AR

Turbosmart TS-1-6262VB082E Turbocharger, Reverse, 6262, V-Band

Turbosmart TS-2-6466VB082E Turbocharger Water Cooled V-Band 6466

T4 INLT WELD FLANGE

Turbosmart TS-19WFVO3-400 Turbocharger V-Band Clamp 4.00 Inch

Turbosmart TS-19WFVO3-450 Turbocharger V-Band Flange, 4.50 Inch

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

BluePrint Engines BPP12110348 SBC Block, 4.125 Bore, 400 Mains

BluePrint Engines BPP12110349 SBC Block, 4.125 Bore, 350 Main 1pc

BluePrint Engines BPP12110332 BBC Block, 9.800 Deck x 4.250 Bore

BluePrint Engines BPP12110334 BBC Block, 9.800 Deck x 4.560 Bore

Powermaster 28462 Race Alternator, 90 Amp, 12V 1 Wire Regulator

BluePrint Engines BPP12110335 SBF Block, 9.500 Deck x 4.125 Bore

Powermaster 28462-114 Race Alternator, 90A, 12V 1 Wire Regulator

BluePrint Engines BPP12110337 SBF Block, 9.500 Deck x 4.125 Bore

Powermaster 28166 Race Alternator, 55 Amps, V-belt, 16V

Powermaster 8116 Race Alternator, 100 Amps, 16V

Powermaster 8126 Race Alternator, 115 Amps, 16V

BluePrint Engines BPP12110330 BBC Block, 9.800 Deck x 4.600 Bore

BluePrint Engines BPP12110357 LS Block, 4.125, Cast Caps, 4-Bolt