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 10.200 4.500 in. Bore, 6.770 in. Length +.030, Each

Dart Cylinder Sleeve, Cast Iron, BBC 10.200 4.500 in. Bore, 6.770 in. Length +.030, Each

$338.86

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Dart Cylinder Sleeve, Cast Iron, BBC 9.800 4.500 in. Bore, 6.370 in. Length +.030, Each

Dart Cylinder Sleeve, Cast Iron, BBC 9.800 4.500 in. Bore, 6.370 in. Length +.030, Each

$338.86

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Dart Cylinder Sleeve, Cast Iron, CNC BBC Hemi, 4.650 in. Bore, 5.2 in. Flange, 8.2 in. Length, 4.890 O.D., Each

Dart Cylinder Sleeve, Cast Iron, CNC BBC Hemi, 4.650 in. Bore, 5.2 in. Flange, 8.2 in. Length, 4.890 O.D., Each

$310.04

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Dart Cylinder Sleeve, Cast Iron, CNC BBC 5.0 4.65 x 5.045 x 8.2 4.91 O.D., Each

Dart Cylinder Sleeve, Cast Iron, CNC BBC 5.0 4.65 x 5.045 x 8.2 4.91 O.D., Each

$441.19

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Dart Cylinder Sleeve, Cast Iron, BBC 9.800 4.600 in. Bore, 6.370 in. Length +.010SF, Each

Dart Cylinder Sleeve, Cast Iron, BBC 9.800 4.600 in. Bore, 6.370 in. Length +.010SF, Each

$338.86

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Strange ,Female Coupler, 32 Spline

Strange ,Female Coupler, 32 Spline

$507.38

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