Header Stud Kit for Oldsmobile 330-455 cid Stainless Hex Head

Header Stud Kit for Oldsmobile 330-455 cid Stainless Hex 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 requires less energy to operate

The smart way to attach a float bowl is with ARP’s special

quench and temper steels – L19 requires special care to avoid hydrogen embrittlement

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

Many professional engine builders prefer to use studs because of their ability to properly position the gasket and guide the cover into position

the fastener experts at ARP have developed the Pro Series ring gear bolts

All ARP brake hat bolts aredrilled to permit safety wiring

Whether you’re mounting your fan directly to the water pump

All in all

the set screw is machined flush on the bottom (not pointed) so it will have optimum contact on the rocker arm stud

All hex nuts are rated 180

Best of all it is less expensive and expected to soon replace MP-35 as the material of choice in the high strength