Darton Sleeves MID Cylinder Sleeve - 3.985 in Bore - 5.800 in Height - 4.325 in OD - Single Flat - GM LS-Series 31012BL Pro-Series

Pro-Series

All ports are #10 AN

Energy's C-bushings for Ford trucks are a firmer durometer than O

Durable OE-quality Thermoplastic

Fits SA/SP112

Darton Sleeves MID Cylinder Sleeve - 3.985 in Bore - 5.800 in Height - 4.325 in OD - Single Flat - GM LS-Series 31012BL Pro-SeriesProduct 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