Tube from Intake to VMV valve on Firewall, 1997/2002 ; 4.6 8 Cyl, Expedition (UN93) | 1997/2002 ; 5.4 8 Cyl, Expedition (UN93) | 1999 ; 5.4 8 Cyl, F-Series, Ford 250 Series | 1997/1999 ; 4.6 8 Cyl, F-Series, Ford 250 Series 5.4 8 Cyl, Navigator (1998/2002) 5.4 8 Cyl, F-Series, Ford 150 Series | 2004 ; 4.6L, F-Series, Ford 150 Series | 1997/2003 ; 4.6 8 Cyl, F-Series, Ford 150 Series Tube from Intake to VMV valve on Firewall, Under 8500 GVW, 1997/1998 ; 5.4 8 Cyl, F-Series, Ford 250 Series