Cylinder Head Studs for AMC 304-360-390-401 cid (1970 & later) 1/2” Hex Nuts

Cylinder Head Studs for AMC 304-360-390-401 cid (1970 & later) 1/2” Hex NutsIt 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

with handy 12-pointor standard hex heads

the compact 12-point inut lets you easily slip a socket close to the pipe

They’re application-specific

they are the best on the market today

Many professional engine builders prefer to use studs because of their ability to properly position the gasket and guide the cover into position

You have a choice between conventional hex head bolts and nuts or compact

This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturerswho just dump pieces in a basket and hope for the best

Finish: Natural

originally developed for NASCAR competition

or if there is deformation

Prevent intake manifold leaks with ARP’s quality fasteners

This procedure (done only to the shorter studs)more equalizes the “stretch” of both studs