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The Nitrous Express 4150 Billet Crossbar Pro‑Power system combines crossbar plate design with a 12 lb composite nitrous bottle and Lightning 45 valve to improve flow and reduce weight compared with older brass valves. Built for 4150 flange manifolds, the kit includes jetting for 50–300 hp, billet y fittings, braided stainless solenoid lines, nickel‑plated fittings, custom solenoid bracket, wide‑open throttle switch and complete relay harness for installation.
Nitrous Express 4150 Billet Crossbar Pro-Power Nitrous Kit (100-500HP) w/Composite Bottle
