NITROUS EXPRESS NP504 Hitman Carburetor Injection Plate Jets 653374008853 4150 100-200

( Brand: Nitrous Express ), ( Manufacturer Part Number: NP504 ), ( Part Type: Jet Hp Carburetor Plate ), ( UPC: 653374008853 ), ( Country/region Of Manufacture: United States )

Review NITROUS EXPRESS Hitman 4150 Carburetor Injection Plate 100-200 Hp Jets

The Nitrous NP504 Hitman 4150 Carburetor Injection Plate is a high-performance component designed specifically for nitrous oxide systems in engines producing between 100 and 200 horsepower. This injection plate plays a crucial role in ensuring optimal fuel delivery to the engine when nitrous oxide is introduced, enhancing power and performance.

Constructed from robust billet aluminum, this injection plate boasts a precision-machined design for a perfect fit and seamless integration with your existing carburetor setup. It is engineered with a unique, multi-jet configuration, featuring four 4150-style jets, each capable of delivering precise fuel dosages for superior atomization when nitrous oxide is introduced.

The jets are meticulously drilled and sized to ensure an even fuel mixture with the nitrous oxide, which is essential for maximizing power gains and preventing detonation. Each jet is also equipped with an adjustable screw, enabling fine-tuning of the fuel delivery rate to suit the specific requirements of your engine and nitrous setup.

Additionally, the Nitrous NP504 Hitman 4150 Carburetor Injection Plate includes a built-in fuel pressure regulator, allowing you to maintain consistent fuel pressure throughout the RPM range. This feature ensures that your engine receives an ample fuel supply, enabling it to efficiently burn the nitrous oxide for maximum power output.

The injection plate is designed to be easy to install and can be used with a wide range of popular carburetor models. It includes clear installation instructions and all necessary hardware for a straightforward installation process.

In summary, the Nitrous NP504 Hitman 4150 Carburetor Injection Plate is an essential component for any nitrous oxide system in engines producing between 100 and 200 horsepower. Its robust construction, precision design, and adjustable fuel delivery capabilities make it an excellent choice for enthusiasts seeking to maximize power and performance from their engine.

Nitrous oxide (N2O) is a popular performance-enhancing additive used in internal combustion engines, particularly in the automotive industry. One of the key components in a nitrous oxide system is the injection plate, which controls the timing and quantity of the nitrous oxide injection into the engine intake. The Hitman 4150 series carburetor injection plate, specifically the NP504 model, is a common choice among performance enthusiasts due to its versatility and reliability. In this discussion, we will explore the pros and cons of purchasing this particular nitrous oxide injection plate.

1. Wide Powerband: The Hitman 4150 NP504 injection plate is designed to provide a wide powerband, allowing for optimal engine performance across a broad RPM range. This is particularly beneficial for vehicles with large displacement engines, as it can help to smooth out power delivery and improve overall performance.

2. Easy Installation: Compared to other nitrous oxide systems, the Hitman 4150 NP504 injection plate is relatively easy to install. It can be retrofitted to various carbureted applications, making it a popular choice among enthusiasts looking to add nitrous oxide to their existing setup.

3. Cost-Effective: The Hitman 4150 NP504 injection plate is considered to be a cost-effective solution for adding nitrous oxide to a carbureted engine. It is available at a reasonable price point compared to other more complex nitrous oxide systems, making it an attractive option for those on a budget.

4. Adjustable: The Hitman 4150 NP504 injection plate is adjustable, allowing users to fine-tune the nitrous oxide delivery to their specific engine setup. This can help to optimize engine performance and ensure that the nitrous oxide is being used effectively.

1. Limited Compatibility: The Hitman 4150 NP504 injection plate is designed specifically for carbureted applications. It may not be compatible with fuel injection systems or other types of engine management systems, which could limit its applicability for some vehicles.

2. Requires Proper Tuning: To ensure optimal performance and safety when using the Hitman 4150 NP504 injection plate, it is essential to properly tune the nitrous oxide system. This can be a complex process and may require the assistance of a professional tuner or extensive knowledge of engine performance and nitrous oxide systems.

3. Safety Concerns: The use of nitrous oxide in a performance application carries inherent safety risks. Improper installation, tuning, or use of the Hitman 4150 NP504 injection plate could result in engine damage, mechanical failure, or even personal injury.

The Hitman 4150 NP504 nitrous oxide injection plate is a popular choice among performance enthusiasts due to its wide powerband, easy installation, cost-effectiveness, and adjustability. However, it does have some limitations, such as its compatibility with only carbureted applications and the requirement for proper tuning to ensure optimal performance and safety. Ultimately, the decision to purchase the Hitman 4150 NP504 injection plate depends on the specific needs and goals of the individual enthusiast, as well as their level of expertise in engine performance and nitrous oxide systems.

For those looking to add nitrous oxide to their carbureted engine and who are comfortable with the potential risks and the requirement for proper tuning, the Hitman 4150 NP504 injection plate is an excellent option. It offers a cost-effective solution for enhancing engine performance and can be easily installed on various applications. However, it is essential to ensure that the system is properly tuned and installed to minimize the risks associated with the use of nitrous oxide. For those who are unsure about their ability to properly tune and install the system, it may be worth considering hiring a professional tuner or seeking out a more user-friendly nitrous oxide system.

Details:

Manufactured by Nitrous Express in the USA, this injection plate ensures precise jetting and itemization of fuel for optimized engine performance. Perfect for enhancing air and fuel delivery in car truck engines, this product is a reliable choice enthusiasts looking to boost their vehicles power output. The Nitrous Express Hitman 4150 Carburetor Injection Plate kit with jets is a high-performance accessory designed for carburetors producing 100-200 HP.

part #: np504 prices

• $171.97-$191.75

specifications airfueldepo:

• brand: Nitrous Express
• mpn: Np504
• part type: Jet Hp Carburetor Plate
• upc: 653374008853
• country/region of manufacture: United States

general airfueldepo:

• Car Truck Parts Accessories > Air Fuel Delivery > Other Air Fuel Delivery
• condition: New

seller airfueldepo:

• city: Concord, North Carolina
• # reviews: 2392
• rating: 98.6%

returns airfueldepo:

• policy: No Returns

offer airfueldepo:

• quantity: 1
• started: August 19, 2025
• availability: In Stock
• sold: 0
• options: Ship-to-home

payments airfueldepo:

• wallet: Apple-pay
• other
• credit card: Visa

shipping airfueldepo:

• service: USPS Priority Mail
• class: Expedited
• carrier: USPS
• cost: $0.00
• type: Calculated
• transit: 4-10 Days

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