Our 7.3L Stage 2 Performance Injectors are built to last and make more horsepower.
- These injectors do not require a custom tune but is recommended for optimal performance.
- Additional fuel pressure supply system may be needed. 65SPI min.
- Stage 1 Performance is available. Call for pricing and availability.
||1999-2003 Ford F Series and E Series built after 12/07/98
1999-2002 Navistar T444E Engine S/N 843990 & Up
||1831487C92, 1831487C93, 1831489C1, 1831551C1, 1831550C1, F8IZ9E527CRM, F8IZ9E527EARM, XC3ZE527AARM
*CORE MUST BE IN "OFF ENGINE CONDITION" FOR FULL CREDIT*
This item requires a core return. Please see our core return policy or contact us with any questions.
During installation, be sure of the following:
- The combustion seal (copper washer) is present and installed properly with every injector
- The injector is torqued to proper specifications - Please see the service manual
- The engine oil is clean and at proper levels
- The fuel supply is free of contamination, water, and air
- The fuel pressure is at proper levels
- The injector sleeve is clean and damage free