Intake Manifold. Year: 1998. This part will fit the following: FORD PICKUP F150 SERIES 97-98 8-330 (5.4L), upper. FORD PICKUP F250 SERIES 97 thru 8500 GVW, 8-330 (5.4L), gasoline, upper. FORD PICKUP F250 SERIES 97 thru 8500 GVW, 8-330 (5.4L), CNG, upper.