Nitrous Express 67070-05 Assassin Plate System Stage Bottle - 4500 6 50-300HP 5lb

The Nitrous Express 67070-05 is a complete 4500 Assassin Plate nitrous oxide injection system designed for 4150-style 4-barrel carburetors. This Stage 6 system delivers an adjustable power range of 50 to 300 horsepower, making it ideal for street/strip applications where versatility and performance are essential.

Key Features:

• Stage 6 power range: 50-300 horsepower increase with jetting changes
• 4500 Assassin nitrous plate design fits between carburetor and intake manifold
• Includes 5-pound polished aluminum nitrous bottle with mounting bracket
• Precision-engineered distribution plate ensures even nitrous and fuel distribution to all cylinders
• Complete system includes solenoids, jetting, bottle, lines, switches, and all necessary hardware
• Adjustable power levels allow tuning for different applications and fuel types
• High-flow solenoids provide consistent, reliable activation
• Designed for 4150-style 4-barrel carburetors with 1-5/8 inch bore spacing

The Assassin Plate system is one of the most popular nitrous delivery methods for carbureted engines, offering excellent performance, easy installation, and the ability to fine-tune power delivery. The included 5lb bottle provides multiple passes at the track before refilling is necessary. All Nitrous Express systems are manufactured to exacting standards and include detailed installation instructions.