Cylinder Head Stud Kit for 396-402-427-454 Cast iron OEM, Mark IV w/ World Products Merlin heads - 8

Cylinder Head Stud Kit for 396-402-427-454 Cast iron OEM, Mark IV w/ World Products Merlin heads - 8It 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

drive toolMade from heat-treated 8740 chrome moly steel withheavy-duty black oxide finish

as well as protecting the threads in your engine block

They have a tensile strength of 190

while the bolt kits come with washers

and designed for use in competition engines

The ARP Stainless material is not affected by corrosion or extreme heat

That’s whythe fastener experts at ARP have developed special bolts that are far superior to OEM hardware

To cure this all-too-common problem

There are many important reasons to use ARP main stud kits

Whether you’re mounting your fan directly to the water pump

Our kits come in 8470 or polished ARP Stainless and cover spacers up to 3

When the bolt hasstretched the specified amount