Cylinder Head Stud Kit for SB Chevy 7/16in-3/8in stepped 12pt

Cylinder Head Stud Kit for SB Chevy 7/16in-3/8in stepped 12ptIt 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

in conjunction with aftermarket I-beam rods

Both models feature a large diameter

in length or more

Specially drilled “NASCAR” models are available for those who wish to safety wire their header bolts to prevent loosening

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

Made from ARP2000 and heat-treated to 220

Nuts not included

Made from premium grade 8740 andheat-treated to 190

000 psi bolts that let you exert maximum clamping force

including use of a premium grade chrome moly alloy

To ensure proper sealing of valve covers

000 psi and are able to easily handle the tremendous acceleration shock loads (shear) and lateral forces (elongation) found in racing