INJECTION PRESSURE REGULATOR VALVE. 1994 – 1995.5. 7.3L FORD POWER STROKE ENGINE. ALLIANT POWER # AP63401. F4TZ9C968C / CB, 2C3Z9C968BA. THIS IS A GENUINE FACTORY ALLIANT POWER PART. This IPR Valve fits the following vehicles. F Series, E Series. 0 to 187,099. The engine serial number (ESN) is stamped into. On the left side of […]