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 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. Contains: 1- HS3214VW JD upper gasket, 6-JD cyl slv set,12-TP-R66452 conn rod bolt, 1-TP-R71918 oil pan gasket.
