Nitrous Express 63940-15 Single Entry Crossbar Nitrous Plate System 250-650HP 4150 Flange with 15lb Bottle

The Nitrous Express Single Entry Billet Crossbar Nitrous Plate System delivers proven crossbar spray pattern technology in a race-legal configuration that uses only one nitrous jet and one fuel jet. This next-generation design eliminates traditional spray bars that can sag, rotate, or disrupt airflow, providing consistent performance and reliability.

System Includes:

• Billet aluminum nitrous plate with single entry crossbar design for 4150 flange manifolds
• 15lb nitrous bottle with billet aluminum Lightning 500 bottle valve
• 15178 (.178") nitrous solenoid and 15301L fuel Lightning solenoid
• Custom solenoid mounting bracket
• High-flow braided stainless steel solenoid-to-plate lines with nickel-plated fittings
• 6AN nitrous feed line
• Wide open throttle (WOT) activation switch
• Master arming switch with amp relay and relay harness
• Complete jetting for 250-650 horsepower range

Lightning 500 Bottle Valve Features:

• Two integrated gauge ports for monitoring system pressure
• 5/8" siphon tube for consistent nitrous delivery
• Large .500" orifice for maximum flow capacity
• Improved flow path with only one 45-degree turn
• Weighs nearly one pound less than traditional brass valves

This complete bolt-on system is designed for racing classes that restrict nitrous systems to single-point fuel and nitrous entry, providing maximum performance within class regulations. Compatible with Holley 4150-style carburetor flanges and similar 4-barrel applications.