Nitrous Express 20939BMF-12 Dual Nitrous & Water Methanol Injection System with Billet LT4 Supercharger Lid

The Nitrous Express 20939BMF-12 is a comprehensive dual injection system that combines nitrous oxide and water/methanol injection specifically engineered for GM LT4 supercharged engines. This premium system features a billet aluminum replacement supercharger lid that replaces the factory upper lid for seamless integration and professional appearance.

Billet LT4 Supercharger Lid Features:

• CNC-machined from solid billet aluminum for maximum strength and durability
• Direct cylinder injection design delivers nitrous and fuel from the side of each runner for direct-port-like distribution
• 1/8 NPT fittings machined directly into the plate eliminate gasket leak concerns
• Drop-in replacement for all GM LT4 supercharger applications

Nitrous System Includes:

• Billet aluminum and carbon fiber Lightning solenoids
• NX exclusive billet aluminum Lightning 500 bottle valve
• 12 lb nitrous bottle with stainless steel mounting brackets
• Stainless steel braided feed lines
• Jets for 100 to 400 wheel horsepower applications
• Complete wiring harness, switches, and all installation hardware

Water/Methanol System Includes:

• Billet aluminum and carbon fiber Lightning water/methanol solenoids
• High-pressure electric pump with filtered injection nozzles
• Composite fluid reservoir with stainless steel hardlines
• NX Stage 2 Digital Progressive Controller for precise output control
• Nickel-plated fittings for corrosion resistance
• Complete wiring, switches, and installation hardware

This complete bolt-on system provides maximum performance gains while reducing detonation risk through the dual injection approach. Every component needed for installation is included, from fasteners to electrical connections, ensuring a professional installation on your LT4-powered vehicle.