9/16in 8740 Black Oxide 12-pt Nut Kit

9/16in 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

Install an ARP cam bolt kit and end your camshaft timing worries

It’s a proven fact that OEM head bolts are the weak link in a diesel engine

quench and temper steels – L19 requires special care to avoid hydrogen embrittlement

reciprocating and valve train components

The immunity to hydrogen embrittlement and corrosion of these materials is a significant design consideration

Material: Stainless Steel

ARP offers a special version of its rugged 190

You also can choose between standard hex head bolts or compact 12-point fasteners

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

Both are available in black oxide finished chrome moly steel or polished ARP Stainless

The popular High Performance Series is rated at 180

and the favoriteof leading professional engine builders in all forms of racing