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, SBC 9.500 in. Deck, 4.125 in. Bore, 6.500 in. Length, +.010 NF x thick, Each

Dart Cylinder Sleeve, Cast Iron, SBC 9.500 in. Deck, 4.125 in. Bore, 6.500 in. Length, +.010 NF x thick, Each

$237.71

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Dart Cylinder Sleeve, Cast Iron, BBC 10.2 in. Deck, 4.6 in. Bore, 6.77 in. Length, SF, Each

Dart Cylinder Sleeve, Cast Iron, BBC 10.2 in. Deck, 4.6 in. Bore, 6.77 in. Length, SF, Each

$254.52

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Dart Cylinder Sleeve, Cast Iron, BBC 10.400 4.250 in. Bore, 7.000 in. Length, Each

Dart Cylinder Sleeve, Cast Iron, BBC 10.400 4.250 in. Bore, 7.000 in. Length, Each

$254.52

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Dart Cylinder Sleeve, Cast Iron, BBC 10.200 4.250 in. Bore, 6.770 in. Length + .030, Each

Dart Cylinder Sleeve, Cast Iron, BBC 10.200 4.250 in. Bore, 6.770 in. Length + .030, Each

$338.86

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MELLING Cylinder Sleeve, Cast Iron, 2.000 in. Bore I.D., 0.125 in. Wall Thickness, 6.500 in. Length, Each

MELLING Cylinder Sleeve, Cast Iron, 2.000 in. Bore I.D., 0.125 in. Wall Thickness, 6.500 in. Length, Each

$45.14

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Dart Cylinder Sleeve, Cast Iron, BBC 5.3, 4.950 in. Bore, 5.380 in. Flange, 8.250 in. Length, 5.130 O.D. SF, Each

Dart Cylinder Sleeve, Cast Iron, BBC 5.3, 4.950 in. Bore, 5.380 in. Flange, 8.250 in. Length, 5.130 O.D. SF, Each

$250.42

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