Item model number: ‎4PCS. Fit 1997-1999 Ford F-250 4.6L; Fit 1997-1999 Ford F-250 5.4L; Fit 1999 Ford F-250 Super Duty 5.4L; Fit 1999 Ford F-250 Super Duty 6.8L; Fit 1999 Ford F-350 Super Duty 5.4L; Fit 1999 Ford F-350 Super Duty 6.8L; Fit 1999 Ford 6.8L; Fit 1999 Ford F-550 Super Duty 6.8L; Fit 1995 Ford Mustang 3.8L; Fit 1995 Ford Mustang 5.0L; Fit 1995 Ford Mustang 5.8L; Fit 1996-1998 Ford Mustang 4.6L; Fit 1997-1999 Ford Taurus 3.0L; Fit 1996-1999 Ford Taurus 3.4L; Fit 1994-1997 Ford Thunderbird 3.8L.