Application: 2004.5-2005 Duramax LLY diesel engines
The high performance fuel rail was specifically designed for 2004.5 through 2005 LLY Duramax diesel engines and eliminates low fuel pressure rail diagnostic trouble codes (DTC) such as P1093 (low fuel pressure during power regiment) and maintains fuel pressure during full throttle. Specially ported and shimmed fuel rail flows more fuel for increased horsepower.
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