Fitment: LB7 Duramax Single Stage PRV's. This replaces the OE relief found in the valley of your LB7.
Fuel pressure reliefs are a important part to any high performance diesel fuel system. Exergy's reliefs are fine tuned to allow you to run your maximum desired rail pressure with out exposing your system to dangerous pressure spikes. You don't have to sacrifice performance to have safety built into your fuel system.
Reliefs above 34,000psi are typically classified as RACE only. These reliefs are designed for competition vehicles that need extreme momentary bursts of rail pressure and volume.
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