The ARP Head Bolt Kit (Product Code: 146-3602) is designed for use with 3.8L and 4.2L (232 & 258 cid) inline 6 engines. These high-quality head bolts feature a 7/16" diameter and are all the same length for ease of installation. The socket size needed for installation is 1/2 hex, making it accessible to most users.

As a trusted brand in the automotive industry, ARP is known for its superior quality and precision engineering. With seven operational entities in Southern California, ARP ensures that every part is manufactured with the highest standards of quality and performance. The brand's dedication to innovation and technology is evident in their diverse product line, which includes thousands of part numbers designed for various engine, driveline, suspension, and frame applications.

Whether you're a professional racer or a DIY enthusiast, the ARP Head Bolt Kit is a must-have for anyone looking to upgrade their engine. With ARP's reputation for excellence and reliability, you can trust that these head bolts will provide the strength and durability needed for optimal engine performance. Upgrade to ARP today and experience the difference in quality and performance.