Cylinder head fits Ford 7740, 5640, 6640 tractors
Casting #E9NN6090EA .
Used, Bare head .
All bare heads may need new guides and seats.
30 day warranty against cracks.
Core charge added to price of this head.
Core is refundable when the exchange head is sent back to Roberts Farm Equipment.
Customer responsible for shipment of core back to Roberts Farm Equipment.
Exchange heads must be bare and not welded.