Header Stud Kit for Chevrolet 3/8˝ wide header flange - stud kit Stainless 12-Pt Head

Header Stud Kit for Chevrolet 3/8˝ wide header flange - stud kit Stainless 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.

which gives themabout 2000% (that’s twenty times) better fatigue strength thanthose studs that are threaded prior to heat-treat (a very commonindustry practice)

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

What’s more

or use the chart on page 25 of thiscatalog for ARP fasteners

NPT -6 thru -20 AN

Nuts not included

It’s the fastener of choice

Excellent for E

The stud kits come complete with a special locking flanged nut

All Pro Series bolts are cold-forged to ensure molecular integrity

allowing forslight misalignment

threadpitch to thread pitch