Nitrous Express 67540-10 4150 Assassin Nitrous Plate System 100-500HP with 10lb Bottle

The Nitrous Express 4150 Assassin Plate System is a complete pro-power nitrous oxide injection system designed for carbureted 4150-style Holley flange carburetors. This bolt-on nitrous plate system is engineered to deliver reliable power gains ranging from 100 to 500 additional horsepower, making it ideal for street/strip applications and serious performance builds.

Key Features:

• Complete nitrous plate system with 10-pound capacity nitrous bottle included
• Precision-machined billet aluminum plate fits between carburetor and intake manifold
• Adjustable power range from 100HP to 500HP with proper jetting changes
• Pro Power design ensures optimal fuel and nitrous distribution
• Includes all necessary solenoids, lines, fittings, and installation hardware
• Compatible with 4150-style carburetors (Holley, Quick Fuel, Demon, etc.)
• Easy bolt-on installation with no permanent modifications required
• Includes jetting for multiple power levels and tuning flexibility

The Assassin plate system features Nitrous Express's proven direct-port injection technology in a convenient plate-style design. The system comes pre-assembled and includes everything needed for installation except the activation switch and bottle mounting brackets. This system is perfect for racers and enthusiasts who want maximum performance gains with straightforward installation.