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-31213344 PART NUMBER
Dart Big M Block 31213344 BBC 4.250 Bore, 9.800 Deck$4,319.99
BB Chevy, Dart Block, Dart Big M Block, 9.800 Deck Height, 4.250 Bore, 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-31223344 PART NUMBER
Dart Big M Sportsman Block 31223344 BBC 4.250 Bore, 9.800 Deck$3,599.99
BB Chevy, Dart Block, Dart Big M Sportsman Block, 9.800 Deck Height, 4.250 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. -
BMP-085500 PART NUMBER
085500 BMP Aluminum Block BB Chevy$6,595.00
9.800" Deck Height, 4.240" Bore, Billet Steel Splayed 4-Bolt Caps 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-31273344V PART NUMBER
Dart Big M Sportsman Gen V Block 31273344V BB Chevy 1 Piece Rear Seal$3,599.99
Cast Iron, Gen V, 1pc Rear Seal, 9.800 Deck Height, 4.250 Bore, Call For best price 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.
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DRT-31273344VI PART NUMBER
Dart Big M Sportsman Gen VI Block 31273344VI BB Chevy 1 Piece Rear Seal$3,599.99
Cast Iron, Gen VI, 1pc Rear Seal, 9.800 Deck Height, 4.250 Bore, Call For best price 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.
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DRT-31243344 PART NUMBER
Dart Big M NON Siamesed Full Water Block MRK IV 31243344 BB Chevy$2,954.69
Cast Iron, MRK IV, 9.800 Deck Height, 4.250 Bore, Call For best price 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-31264344 PART NUMBER
Dart Big M Aluminum Block 31264344 BB Chevy$6,999.99
Aluminum, 9.800 Deck Height, 4.250 Bore, Call For best price 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-31274344 PART NUMBER
Dart Big M Aluminum Block 31274344 BB Chevy$7,628.89
Aluminum, 9.800 Deck Height, 4.250 Bore, Ductile Caps, Call For best price 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.
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DRT-31264345 PART NUMBER
Dart Big M Race Series Aluminum Block 31264345 BB Chevy$6,999.99
Aluminum, Cam Location Raised .400, 9.800 Deck Height, 4.250 Bore, Call For best price 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-31213345 PART NUMBER
Dart Big M2 Block 31213345 BBC 4.250 Bore, 9.800 Deck, +.400 Raised Cam$4,334.99
BB Chevy, Dart Block, Dart Big M2 Block, 9.800 Deck Height, 4.250 Bore, Billet Steel 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.