Nitrous Express NP304 Nitrous Plate System 4150 4-Barrel Stage 6 (50-300HP)

The Nitrous Express NP304 is a high-performance nitrous plate system designed for 4150-style 4-barrel carburetors, offering six progressive power stages from 50 to 300 horsepower. This plate-only system represents next-generation nitrous technology, featuring an advanced design that eliminates traditional spray bars for improved reliability and consistent performance.

Key Features:

• Six adjustable power stages: 50, 100, 150, 200, 250, and 300 horsepower
• Spray bar-free design eliminates sagging, splitting, and breakage issues
• Superior nitrous and fuel distribution for balanced cylinder delivery
• Outstanding atomization ensures safe, consistent power gains
• Direct fit for 4150 Holley-pattern 4-barrel carburetors
• Plate-only configuration allows integration with existing nitrous system components

This Stage 6 nitrous plate is engineered for serious performance enthusiasts who demand precise power delivery and bulletproof reliability. The innovative plate design provides even distribution across all cylinders while the multiple power stages allow tuning flexibility for different racing conditions or engine configurations. Compatible with Nitrous Express solenoids, lines, and control systems (sold separately).