GM Race Fuel Valve 2004.5-2010 Duramax LLY, LBZ and LMM diesel engines,2007.5-2011 Dodge Cummins 6.7

Features: Eliminates low fuel pressure rail diagnostic trouble codes (DTC) such as P1093 (low fuel pressure during power regiment) Helps maintain fuel pressure during full throttle Application: 2004.5-2010 Duramax LLY, LBZ and LMM diesel engines 2007.5-2011 Dodge Cummins 6.7L diesel engines Product Description: Our Race Fuel Valve eliminates the stock pressure relief valve, prevents high pressure fuel from being returned to the fuel tank; eliminates low fuel pressure rail diagnostic trouble codes (DTC P1093, P0087, P1011 low fuel pressure during enrichment) do to stock pressure relief valve opening; and helps maintain available fuel pressure during full throttle driving. For installation you can transfer the o-ring from the stock pressure relief valve to the Race Fuel Valve. Available separately is the PPE Viton O-ring # 113073001