ENGINE BLOCKS Parts
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![BPP12110329 Big Block Chevy Bare Block, 4.500 in. Bore, 10.200 in. Deck, Cast Mains [2-Piece Rear Main]](https://www.jegs.com/images/mini_100/100/138/138-bpp12110329.jpg)
BLUEPRINT ENGINES
BPP12110329 Big Block Chevy Bare Block, 4.500 in. Bore, 10.200 in. Deck, Cast Mains [2-Piece Rear Main]
Part Number: 138-BPP12110329
![BPP12110329 Big Block Chevy Bare Block, 4.500 in. Bore, 10.200 in. Deck, Cast Mains [2-Piece Rear Main]](https://www.jegs.com/images/mini_200/100/138/138-bpp12110329.jpg)
BLUEPRINT ENGINES
BPP12110329 Big Block Chevy Bare Block, 4.500 in. Bore, 10.200 in. Deck, Cast Mains [2-Piece Rear Main]
Part Number: 138-BPP12110329
![BPP12110326 Big Block Chevy Bare Block, 4.600 in. Bore, 10.200 in. Deck, Cast Mains [2-Piece Rear Main]](https://www.jegs.com/images/mini_100/100/138/138-bpp12110326.jpg)
BLUEPRINT ENGINES
BPP12110326 Big Block Chevy Bare Block, 4.600 in. Bore, 10.200 in. Deck, Cast Mains [2-Piece Rear Main]
Part Number: 138-BPP12110326
![BPP12110326 Big Block Chevy Bare Block, 4.600 in. Bore, 10.200 in. Deck, Cast Mains [2-Piece Rear Main]](https://www.jegs.com/images/mini_200/100/138/138-bpp12110326.jpg)
BLUEPRINT ENGINES
BPP12110326 Big Block Chevy Bare Block, 4.600 in. Bore, 10.200 in. Deck, Cast Mains [2-Piece Rear Main]
Part Number: 138-BPP12110326
![BPP12110338 Small Block Ford Bare Block, 4 in. Bore, 9.500 in. Deck, Cleveland Cast Mains [1-Piece Rear Main]](https://www.jegs.com/images/mini_100/100/138/138-bpp12110338.jpg)
BLUEPRINT ENGINES
BPP12110338 Small Block Ford Bare Block, 4 in. Bore, 9.500 in. Deck, Cleveland Cast Mains [1-Piece Rear Main]
Part Number: 138-BPP12110338
![BPP12110338 Small Block Ford Bare Block, 4 in. Bore, 9.500 in. Deck, Cleveland Cast Mains [1-Piece Rear Main]](https://www.jegs.com/images/mini_200/100/138/138-bpp12110338.jpg)
BLUEPRINT ENGINES
BPP12110338 Small Block Ford Bare Block, 4 in. Bore, 9.500 in. Deck, Cleveland Cast Mains [1-Piece Rear Main]
Part Number: 138-BPP12110338
![BPP12110337 Small Block Ford Bare Block, 4.125 in. Bore, 9.500 in. Deck, Cleveland Cast Mains [1-Piece Rear Main]](https://www.jegs.com/images/mini_100/100/138/138-bpp12110337.jpg)
BLUEPRINT ENGINES
BPP12110337 Small Block Ford Bare Block, 4.125 in. Bore, 9.500 in. Deck, Cleveland Cast Mains [1-Piece Rear Main]
Part Number: 138-BPP12110337
![BPP12110337 Small Block Ford Bare Block, 4.125 in. Bore, 9.500 in. Deck, Cleveland Cast Mains [1-Piece Rear Main]](https://www.jegs.com/images/mini_200/100/138/138-bpp12110337.jpg)
BLUEPRINT ENGINES
BPP12110337 Small Block Ford Bare Block, 4.125 in. Bore, 9.500 in. Deck, Cleveland Cast Mains [1-Piece Rear Main]
Part Number: 138-BPP12110337
![BPP12110334 Big Block Chevy Bare Block, 4.560 in. Bore, 9.800 in. Deck, Billet Mains [2-Piece Rear Main]](https://www.jegs.com/images/mini_100/100/138/138-bpp12110334.jpg)
BLUEPRINT ENGINES
BPP12110334 Big Block Chevy Bare Block, 4.560 in. Bore, 9.800 in. Deck, Billet Mains [2-Piece Rear Main]
Part Number: 138-BPP12110334
![BPP12110334 Big Block Chevy Bare Block, 4.560 in. Bore, 9.800 in. Deck, Billet Mains [2-Piece Rear Main]](https://www.jegs.com/images/mini_200/100/138/138-bpp12110334.jpg)
BLUEPRINT ENGINES
BPP12110334 Big Block Chevy Bare Block, 4.560 in. Bore, 9.800 in. Deck, Billet Mains [2-Piece Rear Main]
Part Number: 138-BPP12110334
![BPP12110349 Small Block Chevy Bare Block, 4.125 in. Bore, 9.025 in. Deck, 350 Cast Mains [1-Piece Rear Main]](https://www.jegs.com/images/mini_100/100/138/138-bpp12110349.jpg)
BLUEPRINT ENGINES
BPP12110349 Small Block Chevy Bare Block, 4.125 in. Bore, 9.025 in. Deck, 350 Cast Mains [1-Piece Rear Main]
Part Number: 138-BPP12110349
![BPP12110349 Small Block Chevy Bare Block, 4.125 in. Bore, 9.025 in. Deck, 350 Cast Mains [1-Piece Rear Main]](https://www.jegs.com/images/mini_200/100/138/138-bpp12110349.jpg)
BLUEPRINT ENGINES
BPP12110349 Small Block Chevy Bare Block, 4.125 in. Bore, 9.025 in. Deck, 350 Cast Mains [1-Piece Rear Main]
Part Number: 138-BPP12110349
![BPP12110345 Small Block Chevy Bare Block, 4.125 in. Bore, 9.025 in. Deck, 400 Cast Mains [2-Piece Rear Main]](https://www.jegs.com/images/mini_100/100/138/138-bpp12110345.jpg)
BLUEPRINT ENGINES
BPP12110345 Small Block Chevy Bare Block, 4.125 in. Bore, 9.025 in. Deck, 400 Cast Mains [2-Piece Rear Main]
Part Number: 138-BPP12110345
![BPP12110345 Small Block Chevy Bare Block, 4.125 in. Bore, 9.025 in. Deck, 400 Cast Mains [2-Piece Rear Main]](https://www.jegs.com/images/mini_200/100/138/138-bpp12110345.jpg)
BLUEPRINT ENGINES
BPP12110345 Small Block Chevy Bare Block, 4.125 in. Bore, 9.025 in. Deck, 400 Cast Mains [2-Piece Rear Main]
Part Number: 138-BPP12110345
![BPP12110347 Small Block Chevy Bare Block, 4 in. Bore, 9.025 in. Deck, 350 Billet Mains [2-Piece Rear Main]](https://www.jegs.com/images/mini_100/100/138/138-bpp12110347.jpg)
BLUEPRINT ENGINES
BPP12110347 Small Block Chevy Bare Block, 4 in. Bore, 9.025 in. Deck, 350 Billet Mains [2-Piece Rear Main]
Part Number: 138-BPP12110347
![BPP12110347 Small Block Chevy Bare Block, 4 in. Bore, 9.025 in. Deck, 350 Billet Mains [2-Piece Rear Main]](https://www.jegs.com/images/mini_200/100/138/138-bpp12110347.jpg)
BLUEPRINT ENGINES
BPP12110347 Small Block Chevy Bare Block, 4 in. Bore, 9.025 in. Deck, 350 Billet Mains [2-Piece Rear Main]
Part Number: 138-BPP12110347
![BPP12110356 GM Gen II/IV LS Bare Block, 4 in. Bore, 9.240 in. Deck, Cast Mains [4 Bolts/Studs per Cylinder]](https://www.jegs.com/images/mini_100/100/138/138-bpp12110356.jpg)
BLUEPRINT ENGINES
BPP12110356 GM Gen II/IV LS Bare Block, 4 in. Bore, 9.240 in. Deck, Cast Mains [4 Bolts/Studs per Cylinder]
Part Number: 138-BPP12110356
![BPP12110356 GM Gen II/IV LS Bare Block, 4 in. Bore, 9.240 in. Deck, Cast Mains [4 Bolts/Studs per Cylinder]](https://www.jegs.com/images/mini_200/100/138/138-bpp12110356.jpg)
BLUEPRINT ENGINES
BPP12110356 GM Gen II/IV LS Bare Block, 4 in. Bore, 9.240 in. Deck, Cast Mains [4 Bolts/Studs per Cylinder]
Part Number: 138-BPP12110356
![BPP12110358 GM Gen II/IV LS Bare Block, 4 in. Bore, 9.240 in. Deck, Billet Mains [4 Bolts/Studs per Cylinder]](https://www.jegs.com/images/mini_100/100/138/138-bpp12110358.jpg)
BLUEPRINT ENGINES
BPP12110358 GM Gen II/IV LS Bare Block, 4 in. Bore, 9.240 in. Deck, Billet Mains [4 Bolts/Studs per Cylinder]
Part Number: 138-BPP12110358
![BPP12110358 GM Gen II/IV LS Bare Block, 4 in. Bore, 9.240 in. Deck, Billet Mains [4 Bolts/Studs per Cylinder]](https://www.jegs.com/images/mini_200/100/138/138-bpp12110358.jpg)
BLUEPRINT ENGINES
BPP12110358 GM Gen II/IV LS Bare Block, 4 in. Bore, 9.240 in. Deck, Billet Mains [4 Bolts/Studs per Cylinder]
Part Number: 138-BPP12110358
![BPP12110344 Small Block Chevy Bare Block, 4 in. Bore, 9.025 in. Deck, 350 Cast Mains [2-Piece Rear Main]](https://www.jegs.com/images/mini_100/100/138/138-bpp12110344.jpg)
BLUEPRINT ENGINES
BPP12110344 Small Block Chevy Bare Block, 4 in. Bore, 9.025 in. Deck, 350 Cast Mains [2-Piece Rear Main]
Part Number: 138-BPP12110344
![BPP12110344 Small Block Chevy Bare Block, 4 in. Bore, 9.025 in. Deck, 350 Cast Mains [2-Piece Rear Main]](https://www.jegs.com/images/mini_200/100/138/138-bpp12110344.jpg)
BLUEPRINT ENGINES
BPP12110344 Small Block Chevy Bare Block, 4 in. Bore, 9.025 in. Deck, 350 Cast Mains [2-Piece Rear Main]
Part Number: 138-BPP12110344
![BPP12110343 Small Block Chevy Bare Block, 4.125 in. Bore, 9.025 in. Deck, 350 Cast Mains [2-Piece Rear Main]](https://www.jegs.com/images/mini_100/100/138/138-bpp12110343.jpg)
BLUEPRINT ENGINES
BPP12110343 Small Block Chevy Bare Block, 4.125 in. Bore, 9.025 in. Deck, 350 Cast Mains [2-Piece Rear Main]
Part Number: 138-BPP12110343
![BPP12110343 Small Block Chevy Bare Block, 4.125 in. Bore, 9.025 in. Deck, 350 Cast Mains [2-Piece Rear Main]](https://www.jegs.com/images/mini_200/100/138/138-bpp12110343.jpg)
BLUEPRINT ENGINES
BPP12110343 Small Block Chevy Bare Block, 4.125 in. Bore, 9.025 in. Deck, 350 Cast Mains [2-Piece Rear Main]
Part Number: 138-BPP12110343
![BPP12110353 Small Block Chevy Bare Block, 4 in. Bore, 9.025 in. Deck, 350 Cast Mains [1-Piece Rear Main]](https://www.jegs.com/images/mini_100/100/138/138-bpp12110353.jpg)
BLUEPRINT ENGINES
BPP12110353 Small Block Chevy Bare Block, 4 in. Bore, 9.025 in. Deck, 350 Cast Mains [1-Piece Rear Main]
Part Number: 138-BPP12110353
![BPP12110353 Small Block Chevy Bare Block, 4 in. Bore, 9.025 in. Deck, 350 Cast Mains [1-Piece Rear Main]](https://www.jegs.com/images/mini_200/100/138/138-bpp12110353.jpg)
BLUEPRINT ENGINES
BPP12110353 Small Block Chevy Bare Block, 4 in. Bore, 9.025 in. Deck, 350 Cast Mains [1-Piece Rear Main]
Part Number: 138-BPP12110353
![BPP12110352 Small Block Chevy Bare Block, 4 in. Bore, 9.025 in. Deck, 350 Billet Mains [1-Piece Rear Main]](https://www.jegs.com/images/mini_100/100/138/138-bpp12110352.jpg)
BLUEPRINT ENGINES
BPP12110352 Small Block Chevy Bare Block, 4 in. Bore, 9.025 in. Deck, 350 Billet Mains [1-Piece Rear Main]
Part Number: 138-BPP12110352
![BPP12110352 Small Block Chevy Bare Block, 4 in. Bore, 9.025 in. Deck, 350 Billet Mains [1-Piece Rear Main]](https://www.jegs.com/images/mini_200/100/138/138-bpp12110352.jpg)
BLUEPRINT ENGINES
BPP12110352 Small Block Chevy Bare Block, 4 in. Bore, 9.025 in. Deck, 350 Billet Mains [1-Piece Rear Main]
Part Number: 138-BPP12110352

MOPAR PERFORMANCE
A4 Aluminum Engine Block Fits W8, W9 or W9RP Cylinder Head
Part Number: 312-P5007466

MOPAR PERFORMANCE
A4 Aluminum Engine Block Fits W8, W9 or W9RP Cylinder Head
Part Number: 312-P5007466

SPEEDMASTER
1-286-005-01 Ford 351W B-4.125 M-351C DH-9.500 4-Bolt Billet Main Iron Engine Block
Part Number: 746-1-286-005-01

SPEEDMASTER
1-286-005-01 Ford 351W B-4.125 M-351C DH-9.500 4-Bolt Billet Main Iron Engine Block
Part Number: 746-1-286-005-01















