Cylinder Head Stud Kit for Pontiac 400 Ram Air 2 and 4, 455 HO and 455 Super Duty with Round port he

Cylinder Head Stud Kit for Pontiac 400 Ram Air 2 and 4, 455 HO and 455 Super Duty with Round port heIt 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

which requires less energy to operate

in conjunction with aftermarket I-beam rods

For openers

each stud is centerless ground to makeit as close to perfectly concentric as possible

To be used with ARP’s patented Perma-Loc™ adjusters

and precision J-form threads rolled after heat-treat to create a fastener that has threads 2000% stronger than others

square drive forged into bolt head

One of the most critical – yet often overlooked – fasteners used in any engine locks the timing in place

Bracket Racing

000 psi range

as well as hex or 12-point heads

ARP sprint car drive pins feature a broached hex for ease of installation and proper pre-load while the rounded end facilitates quick