Nitrous Express 63041-12 Covert Crossbar Plate System Stage - 4150 6 50-300HP

The Nitrous Express 63041-12 Covert Crossbar Plate System is a complete Stage 6 nitrous oxide injection kit designed for 4150-style carbureted applications. This system delivers 50-300 horsepower gains with precise nitrous and fuel delivery through a revolutionary crossbar plate design that remains hidden beneath your carburetor.

Key Features:

• Stage 6 power level: Adjustable from 50 to 300 horsepower
• Covert crossbar plate design mounts between carburetor and intake manifold
• Compatible with 4150-style Holley and similar carburetors
• Includes 12-pound capacity nitrous bottle with mounting bracket
• Complete system with solenoids, lines, jets, and all necessary hardware
• Precision-machined aluminum construction for optimal flow
• Adjustable power levels via jet changes for tuning flexibility
• Direct-port spray bar technology for even distribution across all cylinders

This complete kit provides everything needed for installation including pre-assembled nitrous and fuel solenoids, stainless steel braided lines, jetting for multiple power levels, electrical wiring harness, and detailed instructions. The covert design keeps your nitrous system hidden from view while delivering maximum performance gains for street or strip applications.