Darton Sleeves MID Cylinder Sleeve - 3.985 in Bore - 5.800 in Height - 4.325 in OD - Dual Flat - GM LS-Series 6100-2P-HK-NO-DSP The Behind-The-Head design stays put

The Behind-The-Head design stays put in rough environments and works with hardhats and other headwear

Pulse Width Modulation controls fan(s) speed from 0-100%

1973-1973 GMC G35/G3500 Van

Includes Only OEM Valvebody Gaskets

Darton Sleeves MID Cylinder Sleeve - 3.985 in Bore - 5.800 in Height - 4.325 in OD - Dual Flat - GM LS-Series 6100-2P-HK-NO-DSP The Behind-The-Head design stays putProduct Description: Cylinder Sleeve MID 3. 985 in Bore 5. 800 in Height 4. 325 in OD 0. 170 in Wall Dual Flat Steel GM LS Series Darton is a manufacture of engine block sleeves. Using specialized ductile iron, their sleeves fit a variety of engine makes and sizes. Darton International was incorporated in 1978 with a goal of becoming a premier manufacturer of automotive speed equipment parts. In pursuit of this objective lead the founders to establish