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, 9.750 in. Deck, 4.125 in. Bore, 6.335 in. Length, LSN, Each

Dart Cylinder Sleeve, Cast Iron, 9.750 in. Deck, 4.125 in. Bore, 6.335 in. Length, LSN, Each

$232.71

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Dart Cylinder Sleeve, Cast Iron, Ford 9.5 in. Deck, 4.000 in. Bore, 5.850 in. Length, +.020, Each

Dart Cylinder Sleeve, Cast Iron, Ford 9.5 in. Deck, 4.000 in. Bore, 5.850 in. Length, +.020, Each

$220.57

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MELLING Cylinder Sleeve, Cast Iron, 2.375 in. Bore I.D., 0.125 in. Wall Thickness, 6.500 in. Length, Each

MELLING Cylinder Sleeve, Cast Iron, 2.375 in. Bore I.D., 0.125 in. Wall Thickness, 6.500 in. Length, Each

$39.78

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Sonnax Pressure Regulator Sleeve, ZF6Hp21/28/34 (Gen. 2), Each

Sonnax Pressure Regulator Sleeve, ZF6Hp21/28/34 (Gen. 2), Each

$47.05

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

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

$220.57

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

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

$169.72

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