Air and Fuel› Nitrous Oxide Systems and Components

Nitrous Express

Nitrous Express - 4150 4-BBL PROPOWER - NX504

$266.14

SKU: N004 NX504

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Nitrous Express 4150 4-BBL ProPower Plate System is an innovative power-boosting solution designed for enthusiasts seeking substantial horsepower gains. This system, part number NX504, integrates seamlessly with 4150-style carburetors, making it a versatile choice for a wide array of performance applications. It offers adjustable horsepower settings ranging from 100 to 500 HP, allowing users to precisely tailor the power output to their specific needs and track conditions.

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 NX504

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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