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The Nitrous Express single-entry billet crossbar RNC kit for 4150 flanges is a race-legal crossbar plate system made for 250–650 HP that limits installations to one nitrous and one fuel jet. Its Lightning-style bottle valve with a large .500 orifice and integrated gauge ports improves flow, while the crossbar plate removes round spray bars to maintain steady atomization. The kit includes braided stainless solenoid lines, nickel-plated fittings, custom solenoid bracket, WOT switch, 6AN feedline, master arming switch, relay harness and jetting.
Nitrous Express Single Entry Crossbar RNC .178 4150 Flange Nitrous Kit (250-650HP) w/No Bottle
