98 cam saft
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Go to tascaparts.com, select a vehicle, go to Engine, Engine Parts. You will see the camshafts along with part numbers. The 2001 SOHC 5.4 cams are the same part numbers as the 98 and 99. Why are they different? I have no idea. Note that the 4.6 Windsor cams are the same, but the 4.6 Romeos are not.