3/8in 8740 Black Oxide 12-pt Nut Kit

3/8in 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

in conjunction with aftermarket I-beam rods

000 psi tensile strength

are stronger and ratedat 190

Given the growth in extreme diesel competition and street add-ons

the threads are machined exactly perpendicular to the bottom of the adjuster

Material: Custom Age 625+

To ensure that the damperis locked in position

NPT -6 thru -20 AN

There are several important reasons why ARP’s exclusive Perma-Loc rocker arm adjusters won’t loosen like others

then allow the nuts to be easily installed without the worry of cross-threading

ARP sprint car drive pins feature a broached hex for ease of installation and proper pre-load while the rounded end facilitates quick

heat-treating to 190