BMP Stage 1 Fuel Rail Pressure Relief Valve. If you're running a rail plug get rid of it ASAP! Run the BMP Stage 1 or Stage 2 Pressure Relief Valve and safely maintain rail pressure without damaging your fuel system.
Fits:
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2007.5-2018 6.7 Cummins
- 2004.5-2010 6.6 LLY/LBZ/LMM Duramax