7.3 Powerstroke IPR Valves

7.3 Powerstroke IPR (Injection Pressure Regulator) valves control precise fuel pressure, optimize engine performance, and ensure reliable operation on 1999.5–2003 Ford Super Duty diesel trucks. Essential for towing, hauling, and high-performance applications, these durable valves enhance fuel system efficiency, protect injectors, and maintain consistent, long-lasting engine performance—critical for Powerstroke owners seeking maximum power and dependability