Years in Production1997-2005
HAF 4.6 Casting FwAE 6250A, F2AE6A274AA, F2AE-6AE-A274-AA,#RFF1AE6090H3, Rff1AE6092 HC, RFF2AE6
All of the ford 2 valve V8 heads have the ford time inserts to prevent the spark plugs form striping.
The front 1/8 pipe hole of each head must remain open to feed the timing chain tensioner on both banks
The rear located plugs mst be
installed or a massive oil leak will result when the engine is started.
Romeo heads employ bolt-on cam journal girdles
Windsor heads don't have cam journal girdles, just individual journals
Romeo cam sprockets are zero-fit and slip right on
Windsor cam sprockets are pressed on.
Romeo cam covers have 11 bolts
Windsor cam covers have 13 bolts
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