Precision Works Chevy Fuel Valve & Viton O-Ring Rail Relief Plug
Fitment: 2004.5 - 2010 CHEVY GMC 6.6 DURAMAX
Key Features:
- Replaces the stock pressure relief valve
- Maintain fuel rail pressure during heavy engine load conditions
- Eliminate low fuel rail pressure DTC code P1093 and P0087 caused by insufficient pressure relief valve spring pressure
- CNC machined 304 stainless steel
- Prevents fuel return by the pressure relief valve
- Eliminates low fuel pressure codes
- Instruction is not included