M12in 8740 Black Oxide 12-pt Nut Kit

M12in 8740 Black Oxide 12-pt Nut KitAvailable in a variety of sizes to suit your needs, all ARP 12 point nuts are constructed from 8740 chrome moly steel or ARP Stainless, and meet ARPs highest standards of quality. Rated at 180,000 psi tensile strength, ARP 12 point nuts are manufactured in thick wall versions for optimum strength and rigidity and thin wall versions for applications with limited space requirements. All 8740 chrome moly steel nuts are black oxide finished and all ARP

It is for good reason that virtually every top professional enginebuilder relies on ARP Pro Series head studs for their all-out competitionpowerplants

and 1 inch sizes

Rated at 180

To ensure that the damperis locked in position

or use the chart on page 25 of thiscatalog for ARP fasteners

It is the most accurate wayto determine the correct pre-load in the rod bolt

The studs are manufactured from 8740 chrome moly steel

We highly recommend using a stretch gauge when installingrod bolts and other fasteners where it is possible to measure thelength of the bolt after tightening

All Pro Series bolts are cold-forged to ensure molecular integrity

Unfortunately

or if there is deformation

to prevent galling and promote more consistent torque loading