Upgrade your modified 2008-2010 Ford 6.4L Powerstroke with the XDP HD Billet Rocker Arm Valve Bridge Set. Engineered for enhanced durability, these rocker arm bridges excel under the increased load and stress of tuned performance engines. Unlike stock bridges, which are only designed for factory output, these CNC machined components promise superior strength and reliability, ensuring that your valvetrain operates at peak efficiency.