Header Bolt Kit For Oldsmobile 330-455 cid Stainless 12-Pt Head

Header Bolt Kit For Oldsmobile 330-455 cid 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.

ARP’s special drive plate bolts have many important features

These fasteners play a key role in both the performance and safetyof a vehicle

They’re application-specific

(inside diameter) chamfers

Includes appropriate fasteners for your application

They’re made from ARP Stainless and are virtually impervious to corrosion

It is primarily used in short track and drag racingapplications where inertia loads exceed the clamping capability of ARP2000

The less drag on the motor

All carb studs include a nut starter nose (except where noted) and kitscome with hex nuts and washers

These pump drives feature a CNC milled (not broached) hex

One of the more aggravating things found in many high performance engines is constantly having to re-adjust rocker arms

There are several important reasons why ARP’s exclusive Perma-Loc rocker arm adjusters won’t loosen like others