Get a tight seal when you install the MAHLE HS54887 Head Set to your 2011-2014 Ford 6.7L Powerstroke. A stock replacement, the Head Set is made to factory specifications. The Head Set is a complete set and maintains an OE perfromance. FEATURES: OE Quality Maintains a Factory Performance Application Notes: Cylinder Head Bolts Not Included Fuel Injector Supply Tubes, Fuel Rail Supply Tube Not Included