1039121 – PRW Cylinder Head Stud, For Use With 2008-2010 Ford Powerstroke 6.4L Engines With Stock Cylinder Head 12 Point Nuts Black Oxide Finish 4140 Chromoly Steel 200,000 PSI Tensile Strength With Washers

PRW Cylinder Head Stud featuring For Use With 2008-2010 Ford Powerstroke 6.4L Engines. Part #: PWI1039121.

Features

• Premium Grade Custom 4140 Alloy Steel Rated At “aircraft” Quality
• Studs Are Then Specially Heat-Treated To 200,000 Pounds Per Square Inch
• Heat Treating Procedure Allows For Total Heat Penetration Which Results In A Stronger, More Superior Stud
• Ensure Perfect Alignment With Gaskets And Cylinder Heads, PRW Studs Are Then Centerless Ground After Being Heat Treated
• PRW Studs Are Then Thread Rolled Which Assures Better Fatigue Strength Than Having This Process Done Before Heat Treatment
• Limited 1 Year Warranty