Tru Power Engine Kit. 6-Cylinder Diesel, 381 CID. 4-1/8 inch Standard Bore, 4-1/4 inch Overbore Supplied. 5-Ring Piston. Basic In-Frame Kit. Contains sleeves & sleeve seals, pistons & rings, pins & retainers, connecting rod bolts, valve-grind gasket set, oil pan gasket. For 4010 Series, 4020 Series.

Item#: BIFD1441
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