Header Stud Kit for Buick 3.8L V6 Black Oxide 12-Pt Head

Header Stud Kit for Buick 3.8L V6 Black Oxide 12-Pt HeadARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The ARP Stainless material is not affected by corrosion or extreme heat, making it ideal for the pplication. Whats more, the compact 12 point inut lets you easily slip a socket close to the pipe. Studs are manufactured with a unique nut starter nose that helps prevent cross threading.

You can choose between black oxide finished 8740 chrome moly or corrosion-resistant stainless steel

Washers included

Studs and bolts come either black oxide chrome moly or polished ARP Stainless

000 psi (which is 15%stronger than Grade 8) and kits come complete with hardened parallel-ground washers

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

Pro Series main bolts are application-specific

We highly recommend using a stretch gauge when installingrod bolts and other fasteners where it is possible to measure thelength of the bolt after tightening

12-point head design and larger than stock shank diameter for increased strength and improved flywheel register

If there is a permanent increase of

ARP’s heat-treated 8740 chrome moly wheel studs are a much-needed replacement for any car engaged in oval track or drag racing competition

Prevent intake manifold leaks with ARP’s quality fasteners

They’re nominally rated at 180