Dodge 98.5-02 5.9L Nozzle Set: Stage 1 Nozzle set for 50 RWHP improvement and enough fuel to support 385 RWHP with proper supporting modifications. Excellent fuel economy with stock like smoke output and a quiet smooth operation. Recommended for stock and mildly upgraded vehicles. Great option for heavy towing with a stock turbo. Sold as a matched set of nozzles. 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.