Header Stud Kit for Oldsmobile 330-455 cid Black Oxide 12-Pt Head

Header Stud Kit for Oldsmobile 330-455 cid 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.

and copy down the length of the fastener prior to and after installation

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

ARP’s Oil Pump Primer Kit lets you spin the oil pump with a drill motor and bring up the oil pressure prior to starting the engine

You have a choice between conventional hex head bolts and nuts or compact

They’re designed to make it as easy as possible to install a pan and seal it properly

They’re made from 8740 chrome moly steel

This helps prevent blown head gaskets

ARP offers two styles of Flexplate bolts: premium grade Pro Series rated at 190

Because of this

000 psi to ensure extended service life of this valuable tool

substantially stronger than Grade 8 hardware

ARP has developed these ultra strong 190