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The Nitrous Express single-entry billet crossbar RNC kit for 4500 flanges is a race-legal crossbar plate system built for 250–650 HP and sold without a bottle. Its CNC-machined crossbar removes round spray bars to preserve atomization and a steady spray pattern. The package includes high-flow braided stainless solenoid-to-plate lines, nickel-plated fittings, custom solenoid bracket, wide-open-throttle switch, 6AN feedline, master arming switch, relay harness and calibrated jetting.
Nitrous Express Single Entry Crossbar RNC .178 4150 Flange Nitrous Kit (250-650HP) w/No Bottle
