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

As the crankshaft flexes and twists

as well as protecting the threads in your engine block

they should never be re-used

You will also note that ARP offers specially undercut studs forseveral engines

each stud is centerless ground to makeit as close to perfectly concentric as possible

and designed for use in competition engines

ARP offers two styles of Flywheel/Flexplate bolts: The premium grade Pro Series

the bolt should be replaced immediately

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

and are available in 8740 chromemoly with a black oxide finish or ARP Stainless

12-point designs

The tremendous shock loads generated at launch by most any drag racing vehicle equipped with today’s sticky tire compounds or the acceleration and deceleration of oval track cars put considerable strain on the ring gear