Description: Stud Is Placed Vertically In Special Racks And Precisely Heat Treated To 220,000 PSI Thread Rolled After Heat Treat, Which Gives Them About Ten Times Better Fatigue Strength Than Those Studs That Are Threaded Prior To Heat Treat Centerless Ground To Make It As Close To Perfectly Concentric As Possible Manufacturer Part Number: 250-4202 Broached stud ends install make cylinder head removal easier Fiment: 2003-2007 Ford F250 F350 6.0L Powerstroke Diesel Engine Type V8 Specification: Material: Iron Size Chart: Size: Approx. 17x12x5mm/0.67x0.47x0.20inch Package Includes: 1 Set Cylinder Head Stud Kit: 12 Point Nuts Grade 8 Black Oxide Finish Washers and Nuts Included Sold as Kit 11mm bolts are 70ftlbs torque 8mm bolts are 25ftlbs torque Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Please understand due to the difference between different monitors, the picture may not reflect the actual color of the item