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-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. -
DRT-31223455 PART NUMBER
Dart Big M2 Sportsman Block 31223455 BBC 4.500 Bore, 10.200 Deck, +.400 Raised Cam$3,869.99
BB Chevy, Dart Block, Dart Big M2 Sportsman Block, 10.200 Deck Height, 4.500 Bore, Ductile Iron Main Caps, Engine Block, Cast Iron, 2pc Rear Seal, +.400 Raised Cam
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-31273454VI PART NUMBER
Dart Big M Sportsman Block 31273454VI BBC GEN VI 4.500$3,599.99
BB Chevy, Dart Big M Sportsman Block, 10.200 Deck Height, 4.500 Bore, Ductile Caps, Gen VI Block, Engine Block 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.