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The Exergy XRG pressure relief valve is a fuel-system relief component for 2001–2004 Chevrolet Duramax 6.6L LB7 applications. It’s rated to 2000 bar (≈29,000 PSI) and uses an M16x1.5 thread for direct-fit replacement where that specification is required. The valve relieves excess rail pressure at its rated threshold to protect injectors and high-pressure fuel components in both maintained and modified diesel setups.
Exergy 01-04 Chevrolet Duramax 6.6L LB7 2000 Bar (29000 PSI) Pressure Relief Valve (M16x1.5)
