Nitrous Express 67570-15 Assassin 4500 Nitrous Plate System 100-500HP with 15lb Bottle

The Nitrous Express Assassin 4500 Nitrous Plate System is a complete pro power nitrous oxide injection kit designed for serious performance enthusiasts. This system is engineered to deliver between 100-500 additional horsepower to 4150-style carbureted engines, making it ideal for drag racing, street performance, and high-performance street/strip applications.

Key Features:

• Complete nitrous plate system for 4150-style Holley-pattern carburetors
• Adjustable power range from 100 to 500 horsepower
• Includes high-capacity 15-pound aluminum nitrous bottle
• Precision-machined billet aluminum plate fits between carburetor and intake manifold
• Pro Power jetting provides consistent fuel and nitrous distribution
• Complete system includes all necessary solenoids, lines, fittings, and hardware
• Features Nitrous Express's proprietary Lightning series solenoids for rapid activation
• Easy installation with detailed instructions included

The Assassin plate system installs directly between your carburetor and intake manifold, providing optimal nitrous and fuel distribution across all cylinders. The included 15-pound bottle provides extended run time compared to smaller bottles, making it perfect for multiple passes at the track. This kit includes everything needed for a complete installation including the nitrous bottle, solenoids, stainless steel braided lines, jetting, electrical components, and all mounting hardware.