The ARP 250-4301 Head Stud Kit is designed to keep your 6.7L Power Stroke sealed under pressure, delivering the clamping force needed to help prevent head lift and gasket failure in both stock and performance applications. Built for 2011–2023 6.7L Power Stroke engines, these studs are manufactured from high-strength ARP2000 material, providing improved durability, consistent clamping, and long-term reliability under heavy load and increased boost.