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 10.400 4.500 in. Bore, 7.000 in. Length + .030, Each

Dart Cylinder Sleeve, Cast Iron, BBC 10.400 4.500 in. Bore, 7.000 in. Length + .030, Each

$338.86

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Strange ,Female Coupler, 32 Spline

Strange ,Female Coupler, 32 Spline

$507.38

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Dart Cylinder Sleeve, Cast Iron, BBC 10.4 in. Deck, 4.250 in. Bore, 7.00 in. Length, SF, Each

Dart Cylinder Sleeve, Cast Iron, BBC 10.4 in. Deck, 4.250 in. Bore, 7.00 in. Length, SF, Each

$303.00

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Sonnax Pressure Regulator Sleeve, Ford, 6R80 (2015-Later), Each

Sonnax Pressure Regulator Sleeve, Ford, 6R80 (2015-Later), Each

$47.08

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Dart Cylinder Sleeve, Cast Iron, 9.240 in. Deck, 4.000 in. Bore, 5.825 in. Length, LSN +.010 SF, Each

Dart Cylinder Sleeve, Cast Iron, 9.240 in. Deck, 4.000 in. Bore, 5.825 in. Length, LSN +.010 SF, Each

$218.25

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Dart Cylinder Sleeve, Cast Iron, 9.025 in. Deck, 4.125 in. Bore, 5.625 in. Length, + .020, Each

Dart Cylinder Sleeve, Cast Iron, 9.025 in. Deck, 4.125 in. Bore, 5.625 in. Length, + .020, Each

$220.57

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