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, 9.240 in. Deck, 4.125 in. Bore, 5.825 in. Length, LSN +.010, SF, Each

Dart Cylinder Sleeve, Cast Iron, 9.240 in. Deck, 4.125 in. Bore, 5.825 in. Length, LSN +.010, SF, Each

$218.25

Dart Cylinder Sleeve, Cast Iron, 9.025 in. Deck, 4.000 in. Bore, 5.625 in. Length, + .010, Each

Dart Cylinder Sleeve, Cast Iron, 9.025 in. Deck, 4.000 in. Bore, 5.625 in. Length, + .010, Each

$193.91

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

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

$619.88

Dart Cylinder Sleeve, Cast Iron, Ford 9.200 in. Deck, 4.000 in. Bore, 5.575 in. Length, +.020, Each

Dart Cylinder Sleeve, Cast Iron, Ford 9.200 in. Deck, 4.000 in. Bore, 5.575 in. Length, +.020, Each

$220.57

Dart Cylinder Sleeve, Cast Iron, CNC BBC Hemi, 4.650 in. Bore, 5.2 in. Flange, 8.2 in. Length, 4.880 O.D., Each

Dart Cylinder Sleeve, Cast Iron, CNC BBC Hemi, 4.650 in. Bore, 5.2 in. Flange, 8.2 in. Length, 4.880 O.D., Each

$310.04