M12 8740 Black Oxide 12-pt Nut Kit

M12 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

They run-in straight and true

while the compact head is easily accessed

For the most severe applications

The shaft is made from heat-treated

These materials are primarily used in connecting rods where extremely high loads

ARP quality delivers increasedpre-load clamping force and assures positive timing gear register

Rated at 180

ARP’s Pro Series rocker arm studs are made of premium grade 8740 chrome moly steel and heat-treated to a tensile strength of 190

Forged from 8740 chrome moly steel

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

Washers included and bolt drilled for NASCAR inspector’s wire seal

Best of all it is less expensive and expected to soon replace MP-35 as the material of choice in the high strength