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• Eliminates potential low fuel rail pressure DTC codes P1093 or P0087
• Race-ready fuel valve for your LB7 Duramax truck
• Maintains fuel rail pressure during high engine loads
• Direct replacement for your stock or shimmed pressure relief valve

• Eliminates potential low fuel rail pressure DTC codes P1093 or P0087
• Race-ready fuel valve for your LB7 Duramax truck
• Maintains fuel rail pressure during high engine loads
• Direct replacement for your stock or shimmed pressure relief valve