Pro Series Rocker Arm Studs for Dart aluminum, 16 pieces These parts have a shank portion under hex

Pro Series Rocker Arm Studs for Dart aluminum, 16 pieces These parts have a shank portion under hexIf 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

The engineers at ARP spent quite a bit of time developing these highly effective

And there’s more

ARP’s special drive plate bolts have many important features

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

ARP Pro Series head bolt kits are application specific and designed to deliver superior strength typically associated with competition engines

Made from ARP2000 and heat-treated to 220

Made from premium grade 8740 andheat-treated to 190

That’s whythe fastener experts at ARP have developed special bolts that are far superior to OEM hardware

marine and drag racing engines – including those with superchargers and/ or nitrous oxide injection systems – ARP offers replacement rod bolts in three different models

precision-ground washers are included where required

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

the shaft diameter is a larger diameter than the OEM unit