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, SBC 9.500 in. Deck, 4.000 in. Bore, 6.100 in. Length, in. Length, + .030, Each

Dart Cylinder Sleeve, Cast Iron, SBC 9.500 in. Deck, 4.000 in. Bore, 6.100 in. Length, in. Length, + .030, Each

$190.79

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Dart Cylinder Sleeve, Cast Iron, 9.750 in. Deck, 4.000 in. Bore, 6.335 in. Length, LSN SF, Each

Dart Cylinder Sleeve, Cast Iron, 9.750 in. Deck, 4.000 in. Bore, 6.335 in. Length, LSN SF, Each

$232.71

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

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

$254.52

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Dart Cylinder Sleeve, Cast Iron, BBC 9.800 4.600 in. Bore, 6.370 in. Length +.030, Each

Dart Cylinder Sleeve, Cast Iron, BBC 9.800 4.600 in. Bore, 6.370 in. Length +.030, Each

$338.86

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Strange ,Driveshaft Coupler, 27-spline, Steel, Black, GM, Powerglide, TH350, Each

Strange ,Driveshaft Coupler, 27-spline, Steel, Black, GM, Powerglide, TH350, Each

$618.75

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Dart Cylinder Sleeve, Cast Iron, SBC 9.500 in. Deck, 4.125 in. Bore, 6.100 in. Length, in. Length, + .010 SF, Each

Dart Cylinder Sleeve, Cast Iron, SBC 9.500 in. Deck, 4.125 in. Bore, 6.100 in. Length, in. Length, + .010 SF, Each

$220.57

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