Header Stud Kit for Chevrolet 3/8˝ dia. stud Black Oxide 12-Pt Head

Header Stud Kit for Chevrolet 3/8˝ dia. stud 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.

including the elimination of main cap walk and fretting

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

000 psi and precision machined for optimum thread engagement

They’re made from 8740 chrome moly steel

making it ideal for the pplication

This helps prevent blown head gaskets

ARP rocker studs are concentric within

thread pitch to thread pitch

marine and drag racing engines – including those with superchargers and/ or nitrous oxide injection systems – ARP offers replacement rod bolts in three different models

All kits come complete with hardened parallel-ground washers and high quality nuts

If you have ever installed a rocker stud into a cylinder head and watched it wobble as it screwed in – you knew from the beginning that the rocker geometry was going to be inconsistent all over the place

Wide underhead flange and companion washers provide even load distribution