Darton Sleeves MID Cylinder Sleeve - 3.985 in Bore - 5.800 in Height - 4.325 in OD - Dual Flat - GM LS-Series Wiring Cover Rear End Blockoff

Rear End Blockoff

Can Handle Any Type of Vehicle up to 3

413 and 426 Max Wedge Engs

Holley Style Carburetors

Will not brinell (indent) aluminum cylinder heads

Darton Sleeves MID Cylinder Sleeve - 3.985 in Bore - 5.800 in Height - 4.325 in OD - Dual Flat - GM LS-Series Wiring Cover Rear End BlockoffProduct 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