Major Overhaul Kit for Ford New Holland. Fits Ford Engine 304 Fits Models 555E, Tractor 655E, Tractor Fuel Type Diesel Engine Specifications 304:5.0L Naturally Aspirated (Emissionised), Tractor: 555E, 655E, Stroke: 5.000″, Bore: 4.4007″, Fuel: Diesel, Cylinder: 4. 304Technical Notes for Ford 304 Engine parts for Ford Major Overhaul Kit Engine 304 # of Cylinders 4 Oversize Notes Oversized main, conecting rods bearings, piston rings, pistons and liners are available.