Nitrous Express NP603C 4150 Covert Crossbar Nitrous Plate

The Nitrous Express NP603C is a precision-engineered covert crossbar nitrous plate designed specifically for 4150-style carburetors. This plate-only component provides a stealthy installation option that positions the nitrous and fuel distribution bars beneath the carburetor, maintaining a clean, stock appearance while adding serious power potential.

Key Features:

• 4150 carburetor flange pattern for universal fit with Holley and compatible carburetors
• Covert crossbar design conceals nitrous system components under the carburetor
• Precision-machined aluminum construction for optimal flow and durability
• Integrated fuel and nitrous distribution bars for consistent spray pattern
• Direct bolt-on installation between carburetor and intake manifold
• Plate-only configuration allows custom system building or replacement

This crossbar plate serves as the foundation for a hidden nitrous system, ideal for street cars where a sleeper appearance is desired. The 4150 flange pattern ensures compatibility with the most popular performance carburetors. Designed and manufactured by Nitrous Express to their exacting standards for reliable performance and precise nitrous delivery.