Cylinder Head Stud Kit for BB Chevy 409

Cylinder Head Stud Kit for BB Chevy 409It 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

ARP Pro Series head bolt kits are application specific and designed to deliversuperior strength typically associated with competition engines

You’ll note that the studs have a radiused bullet nose that serves to locate the pan rails

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

the harmonic damper absorbs incredible amounts of kinetic energy

which is substantially stronger than the OEM bolts

ARP has you covered with our 180

the correct preload

The fittings come in sizes: 1/4

as well as with a conventional hex head or 12-point (great for tight

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

Higher Performance Series: Made of 8740 chrome moly forgings and heat-treated to 180

ARP has developed these ultra strong 190