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, 9.240 in. Deck, 3.950 in. Bore, 5.825 in. Length, LSN SF 4.300 OD, Each

Dart Cylinder Sleeve, Cast Iron, 9.240 in. Deck, 3.950 in. Bore, 5.825 in. Length, LSN SF 4.300 OD, Each

$298.13

Dart Cylinder Sleeve, Cast Iron, SBC 9.5 in. Deck, 4.180 in Bore, 6.150 in. Length, 4.5 BS SF, Each

Dart Cylinder Sleeve, Cast Iron, SBC 9.5 in. Deck, 4.180 in Bore, 6.150 in. Length, 4.5 BS SF, Each

$232.71

Dart Cylinder Sleeve, Cast Iron, 9.325 in. Deck, 4.125 in. Bore, 5.925 in. Length, + .010, Each

Dart Cylinder Sleeve, Cast Iron, 9.325 in. Deck, 4.125 in. Bore, 5.925 in. Length, + .010, Each

$220.57

Dart Cylinder Sleeve, Cast Iron, BBC 10.2 in. Deck, 4.5 in. Bore, 6.77 in. Length, 4.660 O.D., Each

Dart Cylinder Sleeve, Cast Iron, BBC 10.2 in. Deck, 4.5 in. Bore, 6.77 in. Length, 4.660 O.D., Each

$250.42

Dart Cylinder Sleeve, Cast Iron, Ford 9.5 in. Deck, 4.125 in. Bore, 5.850 +.010 SF, Each

Dart Cylinder Sleeve, Cast Iron, Ford 9.5 in. Deck, 4.125 in. Bore, 5.850 +.010 SF, Each

$228.87

Dart Cylinder Sleeve, Cast Iron, SBC 9.500 in. Deck, 4.000 in. Bore, 6.100 in. Length, in. Length, + .010, Each

Dart Cylinder Sleeve, Cast Iron, SBC 9.500 in. Deck, 4.000 in. Bore, 6.100 in. Length, in. Length, + .010, Each

$193.91