Nitrous Express 67040-00 4150 Assassin Nitrous Plate System Stage 6 50-300HP

The Nitrous Express 67040-00 Assassin Plate System is a high-performance nitrous oxide injection plate designed for 4150-style carburetors. This Stage 6 system delivers adjustable power gains ranging from 50 to 300 horsepower, making it ideal for street and strip applications where precise tuning is essential.

Key Features:

• Direct-port nitrous injection through precision-machined 4150 carburetor spacer plate
• Stage 6 configuration with adjustable power range from 50 to 300 horsepower
• CNC-machined aluminum construction for durability and optimal flow characteristics
• Includes all necessary jets, lines, fittings, and solenoids for complete installation
• Features Nitrous Express's proven Assassin plate design for even distribution
• Compatible with 4150-style Holley and similar carburetors
• Professional-grade system with precise fuel and nitrous metering

This kit does not include a nitrous bottle. The Assassin Plate design ensures consistent nitrous and fuel distribution across all four barrels, providing smooth power delivery and maximum performance. Perfect for racers and enthusiasts looking to add substantial power gains with reliable, tunable nitrous injection.