OptiTorque Patriot Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Small Block Ford FC0001HK valve springs are stress relieved

valve springs are stress relieved

adds additional hoop strength for higher pressure ratings - 500 PSI working - and added strength for tight radius applications

8-degree maximum advance/retard

When racing

OptiTorque Patriot Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Small Block Ford FC0001HK valve springs are stress relievedProduct Description: Cylinder Head Stud Kit Patriot Series 12 Point Nuts Chromoly Black Oxide Small Block Ford OptiTorque produces premium quality fasteners for a wide range of automotive applications. From stock rebuilds to hard core racing builds, OptiTorque fasteners are USA made and designed, featuring premium materials and designed to meet or exceed OEM specs.