Current category: Cylinder head studs

ARP (Automotive Racing Products), is the leading manufacturer in the production of motor studs and bolts of all kinds. The world leader who only produces from materials that meet even the highest demands. ARP always uses metal alloys of iron, carbon, chromium and molybdenum in a special blend ratio. Now, the famous Chrome-Moly Steel 8740th, with the particular strength of this material, creates high-strength bolts and studs, the incomparable withstand tensile forces. With a value of 13.8 t/cm², this steel alloy is approximately twice as stable as the corresponding best series screws and threaded bolts.