Powerstroke Diesel Camshaft Lifters & Guide is a direct fit for the following:

2003-2010 Ford F-250 Super Duty
2003-2010 Ford F-350 Super Duty
2003-2010 Ford F-450 Super Duty
2003-2010 Ford F-550 Super Duty
2004-2010 Ford E-350
2004-2010 Ford E-450
-With 6.0L Diesel & 6.4L Diesel Powerstroke Engines
-For 7.3L Engines, Please Discard The Guide & Use Only The Lifters