Nitrous Express 20940-12 Holley High Ram Plenum Plate System with Bottle - 12lb

The Nitrous Express 20940-12 Holley High Ram Plenum Plate System delivers professional-grade nitrous oxide injection for Holley Hi-Ram manifolds. This complete kit combines innovative plate design with premium components for a powerful, reliable performance upgrade.

Advanced Plate Design:

• Bolts directly between upper and lower intake manifold on Holley Hi-Ram manifolds for quick, clean installation
• Precision-machined billet aluminum construction with integrated passages eliminates spray bar failure concerns
• Side-injection design delivers nitrous and fuel into each cylinder runner for direct port-like distribution
• Flow-optimized design maintains maximum airflow without restrictive nozzles or spray bars in the runners

Complete System Includes:

• Single-stage system with jetting for 50 to 500 wheel horsepower applications
• Billet aluminum and carbon fiber Lightning Solenoids for precise flow control
• Stainless steel braided lines rated for nitrous service
• 12lb nitrous bottle with new billet aluminum Lightning 500 bottle valve
• Stainless steel bottle brackets for secure mounting
• Complete wiring harness, switches, and all mounting hardware

This system provides everything needed for installation—no additional components required. The engineered plate design ensures consistent distribution across all cylinders while the Lightning components deliver professional-grade reliability and performance.