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 5.3, 4.950 in. Bore, 5.380 in. Flange, 8.250 in. Length, 5.150 O.D., Each

Dart Cylinder Sleeve, Cast Iron, BBC 5.3, 4.950 in. Bore, 5.380 in. Flange, 8.250 in. Length, 5.150 O.D., Each

$351.26

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

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

$193.89

Dart Cylinder Sleeve, Cast Iron, 3.200 in. (81.5mm) Deck, 5.00 in. Length, +.010, Each

Dart Cylinder Sleeve, Cast Iron, 3.200 in. (81.5mm) Deck, 5.00 in. Length, +.010, Each

$155.30

Dart Cylinder Sleeve, Cast Iron, SBC 9.500 in. Deck, 4.125 in. Bore, 6.100 in. Length, in. Length, SF, Each

Dart Cylinder Sleeve, Cast Iron, SBC 9.500 in. Deck, 4.125 in. Bore, 6.100 in. Length, in. Length, SF, Each

$169.72

Dart Cylinder Sleeve, Cast Iron, Ford 9.5 in. Deck, 4.000 in. Bore, 5.850 in. Length, SF, Each

Dart Cylinder Sleeve, Cast Iron, Ford 9.5 in. Deck, 4.000 in. Bore, 5.850 in. Length, SF, Each

$166.96

Strange ,T-400 Male Coupler, 32 Spline (Short)

Strange ,T-400 Male Coupler, 32 Spline (Short)

$483.50