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The Exergy XRG pressure relief valve fits Cummins 6.7L and Duramax LLY/LBZ/LMM applications and is rated to 2600 bar (≈37,700 PSI). It’s intended as a direct-fit replacement for installations requiring that pressure threshold, opening to relieve excess rail pressure and protect injectors and high-pressure fuel components during very high-load or tuned operation in these diesel platforms.
Exergy Cummins 6.7L/Duramax LLY/LBZ/LMM 2600 Bar (37700 PSI) Pressure Relief Valve
