Sale 28% Off SWAG Performance HD Cylinder Head Stud Kit – 11-22 Ford 6.7L Powerstroke Diesel When cylinder pressure climbs from tuning, upgraded turbos, heavy towing, or performance builds, factory torque-to-yield head bolts simply aren’t enough. The SWAG Performance HD Cylinder Head Stud... MSRP: $349.99 Was: $349.99 Now: $249.99 Add to Cart The item has been added