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

Drive pins are rated 190

For those who prefer bolts

It is primarily used in short track and drag racingapplications where inertia loads exceed the clamping capability of ARP2000

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

ARP studs are thread rolled after heat-treat

Dodge/Cummins and Ford Power Stroke engines are all assembled using “Torque To Yield” (TTY) bolts and preloaded to yield and beyond (typically 100-110%)

Designed for competition applications

A true high performance washer from ARP

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

Constructed from the finest aerospace-quality materials

ARP is the first to develop manufacturing and testing processes for fasteners with Custom Age 625+

threadpitch to thread pitch