Dart re-engineered the big block, incorporating the most requested upgrades and special modifications into the Big M PRO blocks.With deck heights from 9.600” to 11.100”, a +.600” raised cam location, spread oil pan rails and bore sizes up to 4.600”, the Big M PRO gives you the versatility to build a wide variety of engine combinations

More From This Category

Dart Engine Block, Big M, 4-Bolt Mains, 2-Piece Rear Seal, BBC 10.2, Standard, 4.250water bn br GenVI, Each

Dart Engine Block, Big M, 4-Bolt Mains, 2-Piece Rear Seal, BBC 10.2, Standard, 4.250water bn br GenVI, Each

$4,216.56

View
Dart Engine Block, Big M Race Series Chevorlet Big Aluminum, 4.600 In. Bore, 9.800 In. Deck, Each

Dart Engine Block, Big M Race Series Chevorlet Big Aluminum, 4.600 In. Bore, 9.800 In. Deck, Each

$15,136.99

View
Dart Engine Block, Big M, 4-Bolt Mains, 2-Piece Rear Seal, BBC 10.2, Standard, 4.250water bn br GenV, Each

Dart Engine Block, Big M, 4-Bolt Mains, 2-Piece Rear Seal, BBC 10.2, Standard, 4.250water bn br GenV, Each

$4,216.56

View
Dart Engine Block, Big M, 4-Bolt Mains, 2-Piece Rear Seal, BBC 8.1, 10.236Met4.350 Non-Siamesed brs, Each

Dart Engine Block, Big M, 4-Bolt Mains, 2-Piece Rear Seal, BBC 8.1, 10.236Met4.350 Non-Siamesed brs, Each

$4,093.74

View
Dart Engine Block, Big M, 4-Bolt Mains, 2-Piece Rear Seal, BBC 10.600 4.500 2.125 Cam, Each

Dart Engine Block, Big M, 4-Bolt Mains, 2-Piece Rear Seal, BBC 10.600 4.500 2.125 Cam, Each

$6,536.65

View
Dart Engine Block, Big M, 4-Bolt Mains, 2-Piece Rear Seal, BBC 9.800 4.600 2.125 Cam, Each

Dart Engine Block, Big M, 4-Bolt Mains, 2-Piece Rear Seal, BBC 9.800 4.600 2.125 Cam, Each

$6,536.65

View