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.
The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application. What’s more, the
compact 12-point nut lets you easily slip a socket close to the pipe.
accessory stud or bolt kit includes the specific number of parts for your application, plus premium-quality washers and hex or 12-point nuts, as required.
Studs are manufactured with a unique nut-starter nose that helps prevent
cross-threading. Studs and bolts come either black oxide chrome moly or
Stainless 300. Both are nominally rated at 170,000 psi tensile strength;
substantially stronger than Grade 8 hardware.
Specially drilled “NASCAR”
models are available for those who wish to safety wire their header bolts to