Air and Fuel› Nitrous Oxide Systems and Components

Nitrous Express

Nitrous Express - 4150 SINGLE ENTRY CROSSBAR PLATE SYSTEM, RNC (250-750HP) W/5LB BOTTLE - 63840-05

$1,956.69

SKU: N004 63840-05

In Stock
In Stock
Ships by Jun 16
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Nitrous Express 63840-05 is a meticulously engineered nitrous oxide system for high-performance vehicles. It features an innovative crossbar spray pattern for optimal airflow and enhanced combustion efficiency, eliminating issues found in traditional spray bars. The system includes a lightweight Lightning 500 bottle valve with integrated gauge ports and an advanced flow path to maximize nitrous delivery. It comes complete with a custom solenoid bracket, high-flow braided stainless steel lines, nickel-plated fittings, a wide open throttle switch, master arming switch, and a 40 Amp relay and harness.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandNitrous Express
Part NumberN004 63840-05

Videos

Single Entry Crossbar Plate

Single Entry Crossbar Plate
The Assassin Nitrous Express Plate System Review

The Assassin Nitrous Express Plate System Review
Is THIS Nitrous Express Most Powerful Plate System! Nitrous Express Dual Stage Crossbar Plate System

Is THIS Nitrous Express Most Powerful Plate System! Nitrous Express Dual Stage Crossbar Plate System
NOS Nitrous Plate Kit: How a nitrous oxide plate system works

NOS Nitrous Plate Kit: How a nitrous oxide plate system works
Nitrous Express Billet Crossbar Plate

Nitrous Express Billet Crossbar Plate
THIS BOLT ON ADDS 1800 RWHP?!? Nitrous Express Dry Quad Stage Crossbar System

THIS BOLT ON ADDS 1800 RWHP?!? Nitrous Express Dry Quad Stage Crossbar System
The 4150 Assassin Nitrous Express Plate Release!

The 4150 Assassin Nitrous Express Plate Release!
15569- Billet Wide Open Throttle Switch and Bracket for 4150 (Squarebore Carbs)

15569- Billet Wide Open Throttle Switch and Bracket for 4150 (Squarebore Carbs)
Make Big Power with NOS 4150 and 4500 Crosshair Dry Nitrous Plates

Make Big Power with NOS 4150 and 4500 Crosshair Dry Nitrous Plates

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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