Dodge 98.5-02 5.9L Nozzle Set: High performance Stage 4 (125hp) injector nozzle set, these nozzles will supply enough fuel for up to 475 RWHP with proper supporting modifications. Recommend modified turbo(s) to keep EGT and smoke under control. Some light idle haze may be present and depending on the modifications to the vehicle, smoke output may be excessive to some. IMPORTANT: Injector POP pressures should always be reset by a reputable injection shop when replacing the nozzles. Dynomite Recommends setting POP pressure to 290 BAR with these nozzles.