Darton Sleeves MID Cylinder Sleeve - 3.985 in Bore - 5.800 in Height - 4.325 in OD - Single Flat - GM LS-Series 31012BL Durable and Reliable: Built to

Durable and Reliable: Built to withstand the rigors of racing

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Darton Sleeves MID Cylinder Sleeve - 3.985 in Bore - 5.800 in Height - 4.325 in OD - Single Flat - GM LS-Series 31012BL Durable and Reliable: Built toProduct Description: Cylinder Sleeve MID 3. 985 in Bore 5. 800 in Height 4. 325 in OD 0. 170 in Wall Single 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