Pro Series 12-Point Head Stud Kit

The ARP 234-4317 Pro Series head stud kit is engineered for enhanced reliability and superior cylinder head sealing in Gen III and Gen IV LS engines. Constructed from premium 8740 chromoly steel, these studs are cold-forged to guarantee molecular integrity. Each stud is heat-treated prior to thread rolling and machining, ensuring maximum strength and durability. This kit features 12-point nuts for convenient installation and removal. It also comes complete with hardened parallel washers, which are crucial for achieving even load distribution across the cylinder head and obtaining accurate torque readings. The Pro Series designation signifies ARP's commitment to high-performance applications, making these studs suitable for demanding engine builds. Designed for Chevrolet LS series engines, specifically Gen III and Gen IV models from 2004 and later, this kit is compatible with engines utilizing all same-length studs. Installation instructions are available for download in both flat washer and stamped washer configurations to accommodate different build preferences. ARP's reputation as a leader in high-performance automotive fasteners is evident in the quality and engineering of this head stud kit.