Pro Series Rocker Arm Studs for With roller rockers and stud girdle

Pro Series Rocker Arm Studs for With roller rockers and stud girdleIf 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. ARP rocker studs are concentric within . 005 T. I. R. threadpitch to thread pitch. They run in straight and true. Lengths are exact designed to provide positive seating every time. An extralarge radius base offers greater resistance to flex. Available

in conjunction with aftermarket I-beam rods

rated at 190

Install an ARP cam bolt kit and end your camshaft timing worries

Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading

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

For example

and female O-ring types

000 psi bolts that let you exert maximum clamping force

Washers and nuts included where applicable

valve covers

as well as with a conventional hex head or 12-point (great for tight

heat-treating to 190