Nitrous Express 67040-12 4150 Assassin Nitrous Plate System Stage 6 50-300HP with 12lb Bottle

The Nitrous Express 67040-12 is a complete 4150 Assassin nitrous plate system designed for carburetor applications. This Stage 6 system delivers adjustable power gains ranging from 50 to 300 horsepower, making it ideal for street and strip performance applications.

Key Features:

• 4150 flange design fits Holley and compatible square-bore carburetors
• Stage 6 configuration with adjustable power range from 50-300 HP
• Includes 12-pound capacity nitrous bottle with mounting hardware
• Precision-machined aluminum plate ensures even nitrous and fuel distribution
• Complete system includes all necessary solenoids, lines, and fittings
• Easy bolt-on installation between carburetor and intake manifold
• Compatible with gasoline fuel systems

The Assassin plate system provides a clean installation with hidden components under the carburetor, maintaining the stock appearance of your engine bay while delivering significant power gains. The included 12lb bottle provides multiple passes of nitrous injection, and the system is fully adjustable to tune for your specific application and desired power level.