Tru Power Engine Kit. 4-Cylinder Diesel, 154 CID. 3-1/2 inch Standard Bore, Flat-Head Piston. Basic In-Frame Kit. Contains sleeves & sleeve seals, pistons & rings, pins & retainers, valve-grind gasket set, oil pan gasket. For 238 Series, 2424 Series, 2444 Series, 364 Series, 384 Series, 424 Series, 434 Series, 444 Series, B414 Series.