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

Header Bolt 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.

They run-in straight and true

You’ll note that the studs have a radiused bullet nose that serves to locate the pan rails

For the most severe applications

Specialfeatures include 1/4

Material 2:

This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturerswho just dump pieces in a basket and hope for the best

A hollow core serves to reduce the reciprocating mass

NOTE: Not to be used with OEM-style

000 psi gems

thread pitch to thread pitch

Because factory connecting rods (or aftermarket versions of OEM rods) are used in a variety of applications from rebuilt stock motors to modified powerplants used in circle track

allowing forslight misalignment