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Nitrous Express 4500 Assassin Plate Stage 6 Nitrous Kit (50-300HP) w/o Bottle

SKU: NEX67070-00

Nitrous Oxide Systems

NEX Nitrous Oxide Kits...

Nitrous Express 4500 Assassin Plate Stage 6 Nitrous Kit (50-300HP) w/o Bottle

SKU: NEX67070-00

Nitrous Oxide Systems

NEX Nitrous Oxide Kits...

A$2,097.37
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.

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Description

Nitrous Express 4500 Assassin Plate Stage 6 Nitrous Kit (50-300HP) w/o Bottle

Assassinate the competition with the Assassin plate system. The Assassin is the most technically advanced single stage plate ever designed. The CNC machined design integrates the nitrous and fuel discharge ports into the outer perimeter. The Assassin offers a unique perimeter spray pattern that assures perfect nitrous-fuel distribution. Which in turn solves the problems commonly found on single plane manifolds, particularly small and big block Fords. This new innovation provides superior distribution and outstanding atomization. With no spray bars to sag, split, block airflow, or damage this is the Next Generation in nitrous plate technology.

Additional Information

4500 Assassin Plate; Stage 6 (50-300HP) No Bottle

Part Type

Nitrous Oxide Injection System Kit


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 06:20:47

Data: v4.2 - Upd: 2026-11-08 16:33:59

Features

  • Assassin Nitrous Plate System

Important Note Regarding Nitrous & Pressurised Systems

Orders containing nitrous systems or other pressurised canisters may require additional handling and inspection prior to dispatch.

Due to the nature of these products and applicable transport and state regulations, each system is individually inspected, released, and purged where required to ensure compliance with air and road freight standards. While most orders ship within our normal timeframes, this process may occasionally result in slightly longer dispatch times than those advertised.

We do everything we can to minimise delays, and the vast majority of shipments move through without issue. If you are working to a tight deadline or require urgent delivery, please contact us prior to placing your order so we can confirm the most suitable options.

We appreciate your understanding and patience - this process ensures safe, compliant transport and delivery of your order.

(keyword: nitrous express)

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Bottle Included:No
Description:Nitrous Oxide Injection System Kit
Part Number:nex67070-00
Title:Nitrous 4500 Assassin Plate, Stage 6 (50-300HP) No Bottle
Type:Wet
Usage:Strip/Competition

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Nitrous Express, Nitrous Express (nx)
StreetFX SKU nex67070-00
SFX Item ID 4126833
Accounting SKU nex-67070-00
Manufacturer SKU 67070-00
Manufacturer UPC 653374978163
Alternative References 67070-00, NEX-67070-00

Nitrous Oxide Systems, Assissin Plate Stage 6, Dominator 4500 Flange, 50-300 HP, No Bottle, Wiring, Hardware, Universal, Kit

The new Nitrous Express Dominator Assassin Plate Stage 6 nitrous system is the most technically advanced single-stage plate ever designed. A unique perimeter spray pattern assures you perfect nitrous-fuel distribution. It solves problems commonly found on single-plane manifolds, particularly small and big block Fords. This new innovation provides superior distribution and outstanding atomization. With no spray bars to sag, split, block airflow, or damage, this is truly the Next Generation in nitrous plate technology. Select the model with options needed for your application.

This system includes:
• Jetting for 50, 100, 150, 200, 250, and 300 hp
• Billet aluminum and carbon fiber lightning solenoids
• Heavy-duty 40 amp relay
• -4 AN supply line
• Billet aluminum Y-fittings
• Stainless braided solenoid-to-plate lines
• Systems with a bottle include stainless bottle brackets and Lightning 500 bottle valve
• Fits standard Dominator flange carburetors

Product Attributes
BrandNitrous Express (NX)
Manufacturer's Part Number67070-00
Part TypeNitrous Oxide Systems
Product LineNitrous Express Dominator Assassin Plate Stage 6 Nitrous Systems
UPC653374978163
Delivery StyleDominator 4500 Series plate
Nitrous System StyleWet
Nitrous System Intended Fuel TypeGasoline
Maximum Advertised Horsepower Increase300
ActivationPush-button
Jet Sizes Included (hp)50, 100, 150, 200, 250, 300
Bottle IncludedNo
Dual StageNo
Bottle Brackets IncludedNo
QuantitySold as a kit.

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