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-31512313 PART NUMBER
Dart 4.5 bore Spacing Aluminum Block 31512313 SB Chevy$7,949.99
Aluminum, 400 Main, 9.025 Deck Height, 4.180 bore, 50mm Cam, 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-31512322 PART NUMBER
Dart 4.5 Bore Spacing Aluminum Block 31512322 SB Chevy$7,949.99
Aluminum, 400 Main, 9.325 Deck Height, 4.180 bore, BBC Cam, 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-31512323 PART NUMBER
Dart 4.5 Bore Spacing Aluminum Block 31512323 SB Chevy$7,949.99
Aluminum, 400 Main, 9.325 Deck Height, 4.180 bore, 50mm Cam, 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-31512332 PART NUMBER
Dart 4.5 Bore Spacing Aluminum Block 31512332 SB Chevy$7,949.99
Aluminum, 400 Main, 9.500 Deck Height, 4.180 bore, BBC Cam, 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-31512342 PART NUMBER
Dart 4.5 Bore Spacing Aluminum Block 31512342 SB Chevy$7,949.99
Aluminum, 400 Main, 9.075 Deck Height, 4.180 bore, BBC Cam, 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-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. -
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-31273354V PART NUMBER
Dart Big M Sportsman Gen V Block 31273354V BB Chevy 1 Piece Rear Seal$3,599.99
Cast Iron, Gen V, 1pc Rear Seal, 10.200 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-31273354VI PART NUMBER
Dart Big M Sportsman Gen V Block 31273354VI BB Chevy 1 Piece Rear Seal$3,599.99
Cast Iron, Gen VI, 1pc Rear Seal, 10.200 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-31243254 PART NUMBER
Dart Big M NON Siamesed Full Water Block MRK IV 31243254 BB Chevy$2,954.69
Cast Iron, MRK IV, 10.200 Deck Height, 4.310 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.