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

ARP manufactures a variety of special application-specific bolt and stud kits

Facilitates optimum sealing of gasket surfaces

Most applicationshave undercut short bolts that can help eliminate head gasket failures through providing more “stretch” to compensate for theadditional compression of gaskets

with handy 12-pointor standard hex heads

ARP offers High Performance Series bolts that aremade from a premium grade chrome moly and hardened to a nominal tensile strength of 180

Applications include

000 psi tensilestrength material and proprietary (ARP2000®) 220

They’re designed to make it as easy as possible to install a pan and seal it properly

You also can choose between standard hex head bolts or compact 12-point fasteners

Some applications have provisions for mounting windage trays and have specially designed standoff studs with serrated lock nuts to position the windage tray and lock it securely in place

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