Enginetech Part Number: EHF330L-2 Bare Cylinder Head (Left Hand) Fits Ford 4.6L 5.4L 3V Engines With Casting 3L3E With 16mm Spark Plugs. .2371 Guide ID Valve Head Diameter: Intake 1.331 Exhaust 1.476.
Enginetech Part Number: EHF330R-2 Bare Cylinder Head (Right Hand) Ford 4.6L 5.4L 3V Engines With 16mm Spark Plug Holes. Casting 3L3E. .2371 Guide ID Valve Head Diameter: Intake 1.331 Exhaust 1.476