Nitrous Express 55040-00 RNC 4150 Gasoline Nitrous Plate System with 15 lb Bottle

The Nitrous Express 55040-00 is a complete Rage N Carb (RNC) nitrous oxide plate system designed for 4150-flange carbureted engines. Built for serious racers who demand maximum power output, this system features a precision CNC-machined billet nitrous plate with enlarged nitrous passages that flow more nitrous and fuel per jet size than competing designs — making it the first choice for professional racers who are restricted by jet size rules.

Key Features:

• CNC Billet Nitrous Plate with enlarged nitrous passages for superior flow and atomization
• Guaranteed maximum power per jet size of any plate system on the market
• Designed for 4150-flange (Holley-style) carburetors
• Gasoline fuel system configuration (RNC)
• Includes 15 lb nitrous bottle for immediate track-ready use
• Precision-engineered solenoids for consistent, repeatable nitrous delivery
• Ideal for racers operating under jet-size-restricted class rules
• Bolt-on installation between carburetor and intake manifold

The Nitrous Express RNC plate system is engineered to extract the absolute maximum horsepower gain from each jet size, giving racers a competitive edge where rules limit jetting. Whether you're bracket racing or running in a restricted class, the 55040-00 delivers proven, consistent power gains with the reliability Nitrous Express is known for.