Dart block sleeves are durable and reliable! Dart replacement sleeves are the same premium sleeves as those used in their race series blocks. Fit your aluminum blocks with the strength of Dart cast iron block sleeves.

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Dart Cylinder Sleeve, Cast Iron, BBC 10.400 4.600 in. Bore, 7.000 in. Length + .030, Each

Dart Cylinder Sleeve, Cast Iron, BBC 10.400 4.600 in. Bore, 7.000 in. Length + .030, Each

$338.86

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Dart Cylinder Sleeve, Cast Iron, SBC 9.325 in. Deck, 4.180 in Bore, 6.000 in. Length, +.010 4.5 BS, Each

Dart Cylinder Sleeve, Cast Iron, SBC 9.325 in. Deck, 4.180 in Bore, 6.000 in. Length, +.010 4.5 BS, Each

$217.01

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Dart Cylinder Sleeve, Cast Iron, 9.240 in. Deck, 4.000 in. Bore, 5.825 in. Length, LSN +.010 SF, Each

Dart Cylinder Sleeve, Cast Iron, 9.240 in. Deck, 4.000 in. Bore, 5.825 in. Length, LSN +.010 SF, Each

$218.25

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Dart Cylinder Sleeve, Cast Iron, BBC 9.800 4.250 in. Bore, 6.370 in. Length, Each

Dart Cylinder Sleeve, Cast Iron, BBC 9.800 4.250 in. Bore, 6.370 in. Length, Each

$254.52

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Dart Cylinder Sleeve, Cast Iron, SBC AL New 9.025 in. Deck, 4.125 in. Bore, 5.825 in. Length, SF, Each

Dart Cylinder Sleeve, Cast Iron, SBC AL New 9.025 in. Deck, 4.125 in. Bore, 5.825 in. Length, SF, Each

$169.72

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Dart Cylinder Sleeve, Cast Iron, 9.025 in. Deck, 4.000 in. Bore, 5.625 in. Length, + .020, Each

Dart Cylinder Sleeve, Cast Iron, 9.025 in. Deck, 4.000 in. Bore, 5.625 in. Length, + .020, Each

$193.91

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