What horsepower levels can this nitrous kit support?

This Nitrous Express kit is designed to support adjustable horsepower gains ranging from 100 HP up to 500 HP. You can tune the system to your specific needs within this range.

What makes the spraybarless design better than traditional spray bars?

The spraybarless design eliminates common issues like sagging, splitting, or blocked spray bars. This results in more consistent distribution of fuel and nitrous, as well as better atomization for improved performance.

What components are included in this nitrous kit?

The kit comes complete with the 4150 4-BBL plate, a 10lb nitrous bottle, stainless steel bottle brackets, extra-long supply lines, limited lifetime guaranteed Lightning solenoids, and a heavy-duty 40-amp relay.

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Specifications

Brand: Nitrous Express
Part #: 50040-10
UPC: 653374303699

Nitrous Express 4150 4-BBL/Gasoline Nitrous Kit (100-500HP) w/10lb Bottle

Name: Nitrous Express 4150 4-BBL/Gasoline Nitrous Kit (100-500HP) w/10lb Bottle
Brand: Nitrous Express
SKU: nitrous-express-nitrous-express-4150-4-bbl-gasoline-nitrous-kit-100-500hp-w-10lb-t14-339799
Price: 948.94 USD
Availability: BackOrder

$948.94

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Nitrous Express 4150 4-BBL/Gasoline Nitrous Kit (100-500HP) w/10lb Bottle. Advanced spraybarless design for improved fuel and nitrous distribution.

Key Features

Fits 4150 4-BBL carburetors on gasoline engines.
Adjustable horsepower range from 100 to 500 HP.
Advanced spraybarless plate design for superior distribution and atomization.
Includes limited lifetime guaranteed Lightning solenoids.
Comes with a heavy-duty 40-amp relay.
Kit includes a 10lb nitrous bottle, stainless steel bottle brackets, and extra-long supply line.

This nitrous kit is designed for 4150 4-BBL carburetors on gasoline engines. It is also available for alcohol applications. Not CARB approved.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

Nitrous Express is well-known for providing performance nitrous oxide systems. This 4150 4-BBL/Gasoline Nitrous Kit is designed for gasoline applications and offers adjustable horsepower gains from 100 to 500 HP, making it a versatile option for racers looking to add significant power. The system utilizes an advanced spraybarless design, which is a notable improvement over older spray bar technology. This means no more issues with sagging, splitting, or blocked spray bars, leading to more consistent fuel and nitrous distribution and better atomization.

This kit is built with reliability in mind, featuring the Phase 3 series plates that represent the next generation in nitrous plate technology. You'll receive everything needed to get started, including limited lifetime guaranteed Lightning solenoids, a heavy-duty 40-amp relay, a 10lb nitrous bottle, stainless steel bottle brackets, and extra-long supply lines. The spraybarless design ensures that airflow isn't obstructed, contributing to outstanding atomization and a more efficient nitrous delivery. This system is a solid option for budget-minded sportsman racers who want a substantial power increase.

While this kit is designed for gasoline engines, it is also available for alcohol applications. Please note that this system is not CARB approved and cannot be shipped to California. It's important to check local regulations regarding nitrous oxide systems.