For Ford F250 F350 F450 F550 F650 F750 E250 E350 E450 VT365. (5) The Head Studs are a must-have upgrade for Ford 03-10 6.0L Powerstroke. 250-4202 Cylinder Head Studs Kit. (3) This stud kit is centerless ground to assure perfect concentricity, with threads rolled after heat-treat to provide optimum fatigue strength.
