Dart is committed to producing the best engine components available, including the Dart Big M Mark IV big block Chevy full water cast iron bare blocks--engineered for applications where water between the bores is a requirement. Siamese bore versions are also available for larger bore applications.

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Dart Engine Block, Big M Race Series Chevorlet Big Aluminum, 4.250 In. Bore, 10.400 In. Deck, Each

Dart Engine Block, Big M Race Series Chevorlet Big Aluminum, 4.250 In. Bore, 10.400 In. Deck, Each

$15,136.99

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Dart Engine Block, Big M, 4-Bolt Mains, 2-Piece Rear Seal, BBC 11.100 4.500 2.125 cam, Each

Dart Engine Block, Big M, 4-Bolt Mains, 2-Piece Rear Seal, BBC 11.100 4.500 2.125 cam, Each

$6,536.65

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

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

$15,136.99

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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

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Dart Engine Block, Big M, 4-Bolt Mains, 2-Piece Rear Seal, BBC 10.600 4.600 2.125 cam, Each

Dart Engine Block, Big M, 4-Bolt Mains, 2-Piece Rear Seal, BBC 10.600 4.600 2.125 cam, Each

$6,536.65

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World Engine Bare Block, Cast Iron, Merlin IV BB Chev Iron Block - 10.200" Deck, 4.245" Bore, Nodular Caps, Std. Cam, Std. Lifters

World Engine Bare Block, Cast Iron, Merlin IV BB Chev Iron Block - 10.200" Deck, 4.245" Bore, Nodular Caps, Std. Cam, Std. Lifters

$6,500.00

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