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-31273344V PART NUMBER
Dart Big M Sportsman Gen V Block 31273344V BB Chevy 1 Piece Rear Seal$3,599.99Cast 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$3,599.99Cast 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. -
DRT-31273354V PART NUMBER
Dart Big M Sportsman Gen V Block 31273354V BB Chevy 1 Piece Rear Seal$3,599.99Cast 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. -
DRT-31273354VI PART NUMBER
Dart Big M Sportsman Gen V Block 31273354VI BB Chevy 1 Piece Rear Seal$3,599.99Cast 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. -
DRT-31243254 PART NUMBER
Dart Big M NON Siamesed Full Water Block MRK IV 31243254 BB Chevy$2,954.69Cast 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.