Cylinder Head Stud Kit for Ford 289-302, 5.0L with factory heads or AFR 185 with 7/16˝ holes

Cylinder Head Stud Kit for Ford 289-302, 5.0L with factory heads or AFR 185 with 7/16˝ holesIt is for good reason that virtually every top professional enginebuilder relies on ARP Pro Series head studs for their all out competitionpowerplants. Simply stated, theres not a better stud setupon the market today. For openers, ARP only uses premium grade 8740 alloy anda proprietary ARP2000 alloy that are rated far superior to aircraftquality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat treated to

The nuts feature a wide base for better load distribution and sealing

which makes for amore consistent clamping force – and one that compensates forhead gasket compression when the cylinder heads are installed

Many an engine has been destroyed as a result of oil pump driveshaft failure

Because ARP studs are manufactured to suchexacting tolerances

For this reason

To cure this all-too-common problem

It has approximately 200% the fatigue life of 8740 chrome moly steel and has a tensile strength of 220

insulated plastic carrying case for protection

as well as hex or 12-point heads

You will note that ARP studs feature a special “bullet nose” to guide the nut accurately into place

The high cobalt content of this alloy

This material is easily contaminated and subject to stress corrosion