Upgrade your Dodge Hemi 5.7/6.1L engine with the ARP Head Bolt Kit, product code 147-3901. This kit is a must-have for anyone looking to improve the performance and reliability of their engine. With socket sizes of 10mm 12pt and 9/16 12pt, this kit is easy to install and ensures a secure fit for your vehicle.

ARP is a leading manufacturer known for their high-quality products and innovative engineering. With seven operational entities in Southern California, ARP has the capabilities to produce top-of-the-line hardware for a variety of applications. From forging to packaging, ARP controls every aspect of the manufacturing process to ensure the highest level of quality for their customers.

Whether you're a professional racer or a DIY enthusiast, ARP has the perfect solution for your engine needs. Their extensive product line includes fasteners for engines, drivelines, suspension, and more. Trust ARP to provide you with the durable and reliable hardware you need to take your vehicle to the next level. Upgrade your engine with the ARP Head Bolt Kit today and experience the difference in performance and reliability.