Tru Power Engine Kit. 6-Cylinder Diesel, 381 CID. 4-1/8 inch standard bore, 4-1/4 inch overbore supplied. 3-ring piston, Keystone top compression ring. Basic engine kit. Contains sleeves & sleeve seals, pistons & rings, pins & retainers, pin bushings, standard rod and main bearings, connecting rod bolts, complete gasket set, crankshaft seals. For 4010 Series, 4020 Series.
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