What kind of horsepower increase can I expect with this kit?

This Nitrous Express kit is designed to support horsepower gains ranging from 100 HP up to 500 HP. The actual increase will depend on the specific jets you install and your engine's configuration. Always follow manufacturer guidelines for jetting.

What makes the spraybarless design better?

The spraybarless design eliminates potential issues like sagging spray bars, which can obstruct airflow or lead to uneven fuel distribution. This advanced technology ensures better atomization and more consistent delivery of the nitrous and fuel mixture for improved performance and reliability.

What is included in the kit?

The kit comes complete with the 4150-style nitrous plate, Lightning solenoids with a limited lifetime guarantee, a heavy-duty 40-amp relay, a 10lb nitrous bottle, stainless steel bottle brackets, and extra-long supply lines. You'll have most of what you need to get started.

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Specifications

Brand: Nitrous Express
Part #: 50045-10
UPC: 653374303743

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

Name: Nitrous Express 4150 4-BBL/Alcohol Nitrous Kit (100-500HP) w/10lb Bottle
Brand: Nitrous Express
SKU: nitrous-express-nitrous-express-4150-4-bbl-alcohol-nitrous-kit-100-500hp-w-10lb--t14-339805
Price: 1126.41 USD
Availability: BackOrder

$1126.41

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/Alcohol Nitrous Kit (100-500HP) w/10lb Bottle. Advanced spraybarless design for improved distribution and atomization.

Key Features

Fits 4150-style 4-barrel carburetors.
Supports horsepower gains from 100 to 500 HP with appropriate jetting.
Features advanced spraybarless plate technology for improved fuel and nitrous distribution.
Phase 3 series plates offer superior atomization and reliability.
Includes limited lifetime guaranteed Lightning solenoids.
Comes complete with a 10lb nitrous bottle, stainless steel brackets, and extra-long supply line.

This nitrous system is designed for 4150-style 4-barrel carburetors and is available for alcohol fuel systems. Always consult manufacturer fitment data for specific vehicle compatibility.

⚠️ 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

If you're looking to add significant power to your vehicle, this Nitrous Express 4150 4-BBL/Alcohol Nitrous Kit is a well-built option. Designed for carbureted applications using a 4150-style throttle body, this system can add anywhere from 100 to 500 horsepower, depending on the jetting you choose. It's a popular choice for racers who need a reliable power boost for track days or competition.

What sets this kit apart is its spraybarless plate technology. Unlike older designs that use spray bars, this system distributes the nitrous and fuel mixture directly from the plate itself. This means no more worries about sagging spray bars, airflow obstruction, or potential damage. The Phase 3 series plates are engineered for superior distribution and outstanding atomization, leading to a more consistent and powerful delivery of the nitrous charge. This advanced design helps ensure you get the most out of every shot of nitrous.

This kit comes with everything you need 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. It's also available for alcohol-based fuel systems, offering flexibility for different engine setups. Please note that this system is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper setup and safety guidelines.