1977 GMC K25 Engine Blocks

36 products fit your

1977 GMC K25

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1977 GMC K25

Products

BluePrint Engines |

#227BPP12110340

BluePrint Engines BPP12110340 SBF Block, 8.200 Deck x 4.000 Bore

Main Journal Style:

302 mains

Deck Height:

8.200"

Material Type:

Cast Iron

$2,899.00

/each

BluePrint Engines |

#227BPP12110341

BluePrint Engines BPP12110341 SBF Block, 8.200 Deck x 4.000 Bore

Main Journal Style:

302 mains

Deck Height:

8.200"

Material Type:

Cast Iron

$2,599.00

/each

BluePrint Engines |

#227BPP12110342

BluePrint Engines BPP12110342 SBF Block, 8.200 Deck x 4.125 Bore

Main Journal Style:

302 mains

Deck Height:

8.200"

Material Type:

Cast Iron

$2,599.00

/each

BluePrint Engines |

#227BPP12110343

BluePrint Engines BPP12110343 SBC Block, 4.125 Bore, 350 Mains

Main Journal Style:

350 mains

Deck Height:

9.025"

Material Type:

Cast Iron

$2,299.99

/each

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

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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

Engine Cylinder Numbers

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 |

#227BPP12110350

BluePrint Engines BPP12110350 LS Block, 4.125 Bore, Billet Caps

Main Journal Style:

LS mains

Deck Height:

9.240"

Material Type:

Cast Iron

$4,799.99

/each

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 |

#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

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

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

BluePrint Engines |

#227BPP12110339

BluePrint Engines BPP12110339 SBF Block, 8.200 Deck x 4.125 Bore

Main Journal Style:

302 mains

Deck Height:

8.200"

Material Type:

Cast Iron

$2,899.00

/each

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

BluePrint Engines |

#227BPP12110356

BluePrint Engines BPP12110356 LS Block, 4.000, Cast Caps, 4-Bolt

Main Journal Style:

LS mains

Deck Height:

9.240"

Material Type:

Cast Iron

$3,999.99

/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

BluePrint Engines |

#227BPP12110358

BluePrint Engines BPP12110358 LS Block, 4.000, Billet Cap, 4-Bolt

Main Journal Style:

LS mains

Deck Height:

9.240"

Material Type:

Cast Iron

$4,799.99

/each

BluePrint Engines |

#227BPP12110359

BluePrint Engines BPP12110359 LS Block, 4.125, Billet Cap, 4-Bolt

Main Journal Style:

LS mains

Deck Height:

9.240"

Material Type:

Cast Iron

$4,799.99

/each

BluePrint Engines |

#227BPP12110360

BluePrint Engines BPP12110360 LS Block, 9.705 Deck x 4.000 Bore

Main Journal Style:

LS mains

Deck Height:

9.705"

Material Type:

Cast Iron

$4,799.99

/each

BluePrint Engines |

#227BPP12110361

BluePrint Engines BPP12110361 LS Block, 9.705 Deck x 4.125 Bore

Main Journal Style:

LS mains

Deck Height:

9.705"

Material Type:

Cast Iron

$4,799.99

/each

BluePrint Engines |

#227BPP12110362

BluePrint Engines BPP12110362 SBC Block, 4.125 Bore, 350 Main 1pc

Main Journal Style:

350 mains

Deck Height:

9.025"

Material Type:

Cast Iron

$3,999.00

/each

BluePrint Engines |

#227BPP12110324

BluePrint Engines BPP12110324 BBC Block, 9.800 Deck x 4.500 Bore

Main Journal Style:

454 mains

Deck Height:

9.800"

Material Type:

Cast Iron

$3,999.99

/each

BluePrint Engines |

#227BPP12110326

BluePrint Engines BPP12110326 BBC Block, 10.200 Deck x 4.600 Bore

Main Journal Style:

454 mains

Deck Height:

10.200"

Material Type:

Cast Iron

$3,999.00

/each

BluePrint Engines |

#227BPP12110328

BluePrint Engines BPP12110328 BBC Block, 9.800 Deck x 4.600 Bore

Main Journal Style:

454 mains

Deck Height:

9.800"

Material Type:

Cast Iron

$3,999.00

/each

BluePrint Engines |

#227BPP12110329

BluePrint Engines BPP12110329 BBC Block, 10.200 Deck x 4.500 Bore

Main Journal Style:

454 mains

Deck Height:

10.200"

Material Type:

Cast Iron

$3,999.00

/each

BluePrint Engines |

#227BPP12110353

BluePrint Engines BPP12110353 SBC Block, 4.000 Bore, 350 Main 1pc

Main Journal Style:

350 mains

Deck Height:

9.025"

Material Type:

Cast Iron

$2,299.99

/each

BluePrint Engines |

#227BPP12110331

BluePrint Engines BPP12110331 BBC Block, 10.200 Deck x 4.600 Bore

Main Journal Style:

454 mains

Deck Height:

10.200"

Material Type:

Cast Iron

$4,799.99

/each

BluePrint Engines |

#227BPP12110333

BluePrint Engines BPP12110333 BBC Block, 10.200 Deck x 4.250 Bore

Main Journal Style:

454 mains

Deck Height:

10.200"

Material Type:

Cast Iron

$4,799.99

/each

BluePrint Engines |

#227BPP12110336

BluePrint Engines BPP12110336 SBF Block, 9.500 Deck x 4.000 Bore

Main Journal Style:

Ford 351 Cleveland

Deck Height:

9.500"

Material Type:

Cast Iron

$4,399.99

/each

BluePrint Engines |

#227BPP12110338

BluePrint Engines BPP12110338 SBF Block, 9.500 Deck x 4.000 Bore

Main Journal Style:

Ford 351 Cleveland

Deck Height:

9.500"

Material Type:

Cast Iron

$3,599.00

/each

BluePrint Engines |

#227BPP12110344

BluePrint Engines BPP12110344 SBC Block, 4.000 Bore, 350 Mains

Main Journal Style:

350 mains

Deck Height:

9.025"

Material Type:

Cast Iron

$2,299.99

/each

BluePrint Engines |

#227BPP12110346

BluePrint Engines BPP12110346 SBC Block, 4.125 Bore, 350 Mains

Main Journal Style:

350 mains

Deck Height:

9.025"

Material Type:

Cast Iron

$3,999.00

/each

BluePrint Engines |

#227BPP12110351

BluePrint Engines BPP12110351 LS Block, 4.000 Bore, Billet Caps

Main Journal Style:

LS mains

Deck Height:

9.240"

Material Type:

Cast Iron

$4,799.99

/each

BluePrint Engines |

#227BPP12110352

BluePrint Engines BPP12110352 SBC Block, 4.000 Bore, 350 Main 1pc

Main Journal Style:

350 mains

Deck Height:

9.025"

Material Type:

Cast Iron

$3,999.00

/each

BluePrint Engines |

#227BPP12110327

BluePrint Engines BPP12110327 BBC Block, 9.800 Deck x 4.500 Bore

Main Journal Style:

454 mains

Deck Height:

9.800"

Material Type:

Cast Iron

$4,799.99

/each

Showing all 36 results

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1977 GMC K25 Engine Blocks

Main Journal Style

Brand

Price

Products

BluePrint Engines BPP12110340 SBF Block, 8.200 Deck x 4.000 Bore

BluePrint Engines BPP12110341 SBF Block, 8.200 Deck x 4.000 Bore

BluePrint Engines BPP12110342 SBF Block, 8.200 Deck x 4.125 Bore

BluePrint Engines BPP12110343 SBC Block, 4.125 Bore, 350 Mains

BluePrint Engines BPP12110345 SBC Block, 4.125 Bore, 400 Mains

Related Articles

BluePrint Engines BPP12110348 SBC Block, 4.125 Bore, 400 Mains

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

BluePrint Engines BPP12110350 LS Block, 4.125 Bore, Billet Caps

BluePrint Engines BPP12110330 BBC Block, 9.800 Deck x 4.600 Bore

BluePrint Engines BPP12110332 BBC Block, 9.800 Deck x 4.250 Bore

BluePrint Engines BPP12110334 BBC Block, 9.800 Deck x 4.560 Bore

BluePrint Engines BPP12110335 SBF Block, 9.500 Deck x 4.125 Bore

BluePrint Engines BPP12110337 SBF Block, 9.500 Deck x 4.125 Bore

BluePrint Engines BPP12110339 SBF Block, 8.200 Deck x 4.125 Bore

BluePrint Engines BPP12110325 BBC Block, 10.200 Deck x 4.500 Bore

BluePrint Engines BPP12110356 LS Block, 4.000, Cast Caps, 4-Bolt

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

BluePrint Engines BPP12110358 LS Block, 4.000, Billet Cap, 4-Bolt

BluePrint Engines BPP12110359 LS Block, 4.125, Billet Cap, 4-Bolt

BluePrint Engines BPP12110360 LS Block, 9.705 Deck x 4.000 Bore

BluePrint Engines BPP12110361 LS Block, 9.705 Deck x 4.125 Bore

BluePrint Engines BPP12110362 SBC Block, 4.125 Bore, 350 Main 1pc

BluePrint Engines BPP12110324 BBC Block, 9.800 Deck x 4.500 Bore

BluePrint Engines BPP12110326 BBC Block, 10.200 Deck x 4.600 Bore

BluePrint Engines BPP12110328 BBC Block, 9.800 Deck x 4.600 Bore

BluePrint Engines BPP12110329 BBC Block, 10.200 Deck x 4.500 Bore

BluePrint Engines BPP12110353 SBC Block, 4.000 Bore, 350 Main 1pc

BluePrint Engines BPP12110331 BBC Block, 10.200 Deck x 4.600 Bore

BluePrint Engines BPP12110333 BBC Block, 10.200 Deck x 4.250 Bore

BluePrint Engines BPP12110336 SBF Block, 9.500 Deck x 4.000 Bore

BluePrint Engines BPP12110338 SBF Block, 9.500 Deck x 4.000 Bore

BluePrint Engines BPP12110344 SBC Block, 4.000 Bore, 350 Mains

BluePrint Engines BPP12110346 SBC Block, 4.125 Bore, 350 Mains

BluePrint Engines BPP12110351 LS Block, 4.000 Bore, Billet Caps

BluePrint Engines BPP12110352 SBC Block, 4.000 Bore, 350 Main 1pc

BluePrint Engines BPP12110327 BBC Block, 9.800 Deck x 4.500 Bore

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