BD Diesel rail pressure relief kits are an inexpensive way to allow for adjustments of the rail pressure relief valves on Duramax LLY/LBZ engines. These handy fuel rail relief valve shim kits include genuine Bosch shims.. BD Common Rail Relief Valve Shim Kit - Chevy Duramax 2004.5-2009 LLY/LBZ/LMM / Dodge 6.7L 2007.5-2018. BD Diesel Common Rail Fuel Relief Valve Shim Kit - Chevy 04.5-09 LLY/LBZ/LMM Dodge 2008-2010 6.7L. Inexpensive kit to allow for the adjustment of common rail fuel pressure relief valves.. BD Common Rail Relief Valve Shim Kit Duramax 2004.5-09 / Dodge 6.7L 2007.5-2018. Allows for the adjustment of common rail fuel pressure relief valves. Common Rail Fuel Relief Valve Shim Kit; Incl. Nut Tool/Steel Shims;. Allows For Adjustment Of Common Rail Fuel Pressure Relief Valves. Fuel Injection Fuel Rail Pressure Relief Valve. Suggested items: 1050071 - 1050551 - 1050651. Common Rail Fuel Relief Valve Shim Kit. CR FUEL RELIEF SHIM CHEVY / DODGE CR. 12 Month Or 12000 Mile Warranty. CR FUEL RELIEF SHIM. FuelRailPrsRVlv

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