6.4L Diesel Powerstroke Engine Intake & Exhaust Valve Rocker Arm Carrier Guide is a direct fit for the following:

2008-2010 Ford F-250 Super Duty

2008-2010 Ford F-350 Super Duty

2008-2010 Ford F-450 Super Duty

2008-2010 Ford F-550 Super Duty

With 6.4L Diesel Powerstroke Engines

Each Rocker Arm Carrier Assembly Includes The Following:Brand New Intake & Exhaust Valve, (2) Retainer Clips & (2) Re-Engineered Designed Pivot Balls

Genuine Ford Part Number: 8C3Z-6A588-A