These ARP Speed Nuts are designed for professional racing environments where split-second improvements in pit stop times can make the winning difference. The 200,000 psi chromoly steel "unbustable" reliability of these ARP Speed Nuts can be seen in the manufacturing process and design. With socket release and resistance to jamming in mind, ARP uses the formed threading method and then double magnafluxes, heat-treats, and finally coats them with Alumotef III, which gives you the ultimate in Speed Nuts.
These ARP Speed Nuts are designed for professional racing environments where split-second improvements in pit stop times can make the winning difference. The 200,000 psi chromoly steel "unbustable" reliability of these ARP Speed Nuts can be seen in the manufacturing process and design. With socket release and resistance to jamming in mind, ARP uses the formed threading method and then double magnafluxes, heat-treats, and finally coats them with Alumotef III, which gives you the ultimate in Speed Nuts.