• These High Performance Cylinder studs are made from 180,000 psi yield strength, fine grain, heat treated, premium grade 8740 material
• Threads are rolled after heat treating to insure maximum compressive stresses are retained, insuring maximum strength, and the longest fatigue life possible
• The case end threads are designed to have a slight interference fit to maintain good thread contact at high temperature
• Studs are center less ground to insure concentricity, and finished with a premium black oxide treatment , excellent appearance

PROP 65 WARNING: Cancer and/or reproductive harm - www.P65Warnings.ca.gov