Nitrous Express 67245-00 4150 Assassin Plate Stage 6 Alcohol 50-300HP

The Nitrous Express 4150 Assassin Plate is a high-performance nitrous oxide injection system designed for alcohol-fueled racing engines with 4150-style carburetors. This Stage 6 system is engineered to deliver reliable power gains ranging from 50 to 300 horsepower, making it ideal for serious racers who demand consistent performance.

Key Features:

• 4150 Holley-style carburetor flange compatibility for easy installation
• Stage 6 alcohol-specific jetting optimized for methanol and ethanol fuel systems
• Adjustable power range from 50 to 300 horsepower for tuning flexibility
• Assassin Plate design ensures even nitrous and fuel distribution across all cylinders
• Precision-machined billet aluminum construction for durability and heat resistance
• Direct-port style spray bars for superior atomization and power delivery
• Includes all necessary solenoid brackets and mounting hardware

This system is specifically calibrated for alcohol-based fuels and should not be used with gasoline. The plate installs between your carburetor and intake manifold, providing a clean and efficient method of nitrous delivery. Note that this kit does not include a nitrous bottle—bottle and activation controls must be purchased separately.