Isspro EV3 Fuel Rail Pressure Gauge 07.5-12 Dodge/Ram 06-10 GM Duramax LBZ/LMM. Fits: 2006 - 2007 Chevy/GMC 6.6L LLY & LBZ Duramax; 2007.5 - 2009 Ram 6.7L Cummins; 2007.5 - 2010 Chevy/GMC 6.6L LMM Duramax; 2010 - 2018 Ram 6.7L Cummins.
