Engine Cylinder Head for Ford 800, 900, 4000 Tractors, EAF6090H The 4th opening is for

The 4th opening is for the Air Stack Intake option

0811005-323

Case IH Fertilizer or Planter Unit Mounting Bolt part number PO25842A

For use with above listed 12"

and other MF series moldboard plows

Engine Cylinder Head for Ford 800, 900, 4000 Tractors, EAF6090H The 4th opening is forEngine Cylinder Head for Ford 800 Series, 900 Series, and 4000 Tractors. Will ONLY fit Gas Tractors which use 7 16" inch diameter head bolts. Cylinder head has been visually inspected for cracks or welds. Engine head might need further machining, cleaning or inspection before use. Ford Engine Cylinder Head part number: 310100, EAF6090F, EAF6090H. Please compare your engine head casting number before ordering.