Precision Works Chevy Fuel Valve & Viton O-Ring Rail Relief Plug

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