Pro Series Rocker Arm Studs for Aluminum heads, exhaust studs only, 8 pcs.

Pro Series Rocker Arm Studs for Aluminum heads, exhaust studs only, 8 pcs.If 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

Specially hardened

HIGH PERFORMANCE SERIESHigh Performance head bolts are available with a reduced wrenching hex or 12-point and wide area flanged head that eliminates theneed for valve train removal to facilitate cylinder head retorquing

you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned – somethingthat won’t happen with inferior quality head studs

A sample chart is as follows: ARP offers a highly accurate stretch gauge with a dial indicator that reads in increments of

originally developed for NASCAR competition

Measure the fastener prior to starting

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

making it ideal for the application

Bracket Racing

000 psi for the ARP2000® material

Finish: Cad

increments