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.

More From This Category

Sonnax Outer Pressure Regulator Sleeve, Mercedes 722.6, Each

Sonnax Outer Pressure Regulator Sleeve, Mercedes 722.6, Each

$124.61

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

Dart Cylinder Sleeve, Cast Iron, 9.240 in. Deck, 4.125 in. Bore, 5.825 in. Length, LSNSF, Each

Dart Cylinder Sleeve, Cast Iron, 9.240 in. Deck, 4.125 in. Bore, 5.825 in. Length, LSNSF, Each

$169.72

Dart Cylinder Sleeve, Cast Iron, BBC 9.800 4.250 in. Bore, 6.370 in. Length + .010, Each

Dart Cylinder Sleeve, Cast Iron, BBC 9.800 4.250 in. Bore, 6.370 in. Length + .010, Each

$338.86

Sonnax Accumulator Piston & Sleeve Kit, Chrysler, 41/40Te(S), 42Le, 45RFE/545RFE, Each

Sonnax Accumulator Piston & Sleeve Kit, Chrysler, 41/40Te(S), 42Le, 45RFE/545RFE, Each

$83.49

Dart Cylinder Sleeve, Cast Iron, Ford 9.200 in. Deck, 4.125 in. Bore, 5.575 in. Length, SF, Each

Dart Cylinder Sleeve, Cast Iron, Ford 9.200 in. Deck, 4.125 in. Bore, 5.575 in. Length, SF, Each

$228.87