Nitrous Express NP504 Pro-Power Nitrous Plate for 4150 4-Barrel Carburetors 100-500HP

The Nitrous Express NP504 Pro-Power Plate is designed for 4150-style 4-barrel carburetors, delivering adjustable nitrous oxide power gains from 100 to 500 horsepower. This plate-only system mounts between your carburetor and intake manifold, providing an evenly distributed nitrous and fuel mixture for maximum performance and reliability.

Key Features:

• Compatible with 4150 4-barrel carburetors (Holley-style flange)
• Adjustable power range: 100, 200, 300, 400, or 500 horsepower
• Precision-machined aluminum construction for durability and heat dissipation
• Even distribution design ensures consistent cylinder-to-cylinder fuel and nitrous flow
• Plate-only configuration allows custom system integration
• Professional-grade design for street, strip, or racing applications

This is a plate-only component and requires additional nitrous system components including solenoids, lines, jets, bottle, and controller for complete installation. The Pro-Power Plate system is ideal for enthusiasts looking to add significant horsepower gains with precise tuning control across a wide power range.