CNC-Motorsports offers the best selection of aftermarket engine blocks. Browse brands by Brodix, BMP, Dart, Eliminator and World Products. Custom machined and race prep blocks available in cast iron and aluminum.
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DRT-31213444 PART NUMBER
Dart Big M Block 31213444 BBC 4.500 Bore, 9.800 Deck$4,319.99
BB Chevy, Dart Block, Dart Big M Block, 9.800 Deck Height, 4.500 Bore, Billet Steel Main Caps, Engine Block, Cast Iron, 2pc Rear Seal
Learn MoreFREIGHT CHARGEThis part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount. -
DRT-31213454 PART NUMBER
Dart 31213454 Big M Block BBC 4.500 Bore, 10.200 Tall Deck$4,319.99
BB Chevy, Dart Block, Dart Big M Block, 10.200 Deck Height, 4.500 Bore, Billet Steel Main Caps, Engine Block, Cast Iron, 2pc Rear Seal
Learn MoreFREIGHT CHARGEThis part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount. -
DRT-31223444 PART NUMBER
Dart Big M Sportsman Block 31223444 BBC 4.500 Bore, 9.800 Deck$3,599.99
BB Chevy, Dart Block, Dart Big M Sportsman Block, 9.800 Deck Height, 4.500 Bore, Ductile Main Caps, Engine Block, Cast Iron, 2pc Seal
Learn MoreFREIGHT CHARGEThis part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount. -
DRT-31223454 PART NUMBER
Dart Big M Sportsman Block 31223454 BBC 4.500 Bore, 10.200 Tall Deck$3,599.99
BB Chevy, Dart Block, Dart Big M Sportsman Block, 10.200 Deck Height, 4.500 Bore, Ductile Main Caps, Engine Block, Cast Iron, 2pc Rear Seal
Learn MoreFREIGHT CHARGEThis part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount.