Hi-Perf 8740 Complete Rod Bolt Kit for Chrysler 426 factory Hemi & 426-472-528-572 Gen II Hemi 7/16˝

Hi-Perf 8740 Complete Rod Bolt Kit for Chrysler 426 factory Hemi & 426-472-528-572 Gen II Hemi 7/16˝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, marine and drag racing engines including those with superchargers and or nitrous oxide injection systems ARP offers replacement rod bolts in three different models. All of them are substantially better than the stock OEM and most aftermarket bolts. For the most severe

Facilitates optimum sealing of gasket surfaces

All of them are substantially better than the stock OEM and most aftermarket bolts

The less drag on the motor

ARP 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

Simply followmanufacturer’s instructions

Because ARP studs are manufactured to suchexacting tolerances

Your choice of chrome moly steel or polished stainless (nominally rated at 180

It’s important to note that lesser quality studsare not even centerless ground – the material is thread rolled inbar stock form (mostly before heat-treat

substantially stronger than Grade 8 hardware

or if there is deformation

All High Performance Series bolts are 180

This procedure (done only to the shorter studs)more equalizes the “stretch” of both studs