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Radium Engineering  |  SKU: rad20-0423
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Radium Engineering 99-05 Mazda Miata/MX-5 Fuel Rail Plumbing Kit

Sale price $ 56.95 Regular price $ 59.95
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Short Description

The Radium Engineering 1999–2005 Mazda Miata / MX-5 Fuel Rail Plumbing Kit provides application-specific plumbing for connecting compatible Radium fuel rails and related fuel-system components to the feed and return lines. Designed for performance Miata fuel systems, it helps simplify AN-based fuel-system upgrades while maintaining a clean and serviceable fuel-delivery layout.

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Usually ready in 5+ days

Delivery and Shipping

Domestic orders for in-stock items typically arrive within 5-10 business days, while international orders for in-stock items may take 12–15 business days.

If an item is out of stock or back-ordered, we will contact you within 3–5 business days with an estimated time of arrival (ETA) or alternative options before the order is fulfilled.

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Description

For a properly planned performance build, the Radium Engineering 99-05 Mazda Miata/MX-5 Fuel Rail Plumbing Kit connects the compatible Radium hanger, rail, or fuel-system component to the rest of the feed and return plumbing. The application-specific hose and fitting layout reduces guesswork when converting from factory lines to an AN-based performance fuel system.

This version is designed around 99-05 Mazda Miata/MX-5, so the mounting, routing, or connection details should be checked against that application before installation. Injector height, upper/lower O-ring diameter, and plumbing requirements vary by engine. Match the exact application and injector configuration.

Specifications

Vehicle Fitment: 1999–2005 Mazda Miata / MX-5

Brand: Radium Engineering

Part Number: 20-0423

Type: Fuel Rail Plumbing Kit

Function: Fuel Rail Feed & Return Plumbing

Design: Application-Specific Fuel Rail Plumbing Kit

Application: Mazda Miata / MX-5 Performance Fuel Systems

Fuel System: EFI

Use: Fuel Rail & AN-Based Fuel-System Plumbing

Installation: Mazda Miata / MX-5 Fuel System

Plumbing: Application-Specific Fuel Feed and Return Plumbing

Connection Standard: AN-Based Fuel-System Plumbing

Connections: Fuel Rail Feed & Return

Fuel Rail Compatibility: Compatible Radium Mazda Miata / MX-5 Fuel Rail Applications

Injector Configuration: Verify Exact Injector Configuration

Injector Requirements: Verify Injector Height and Upper/Lower O-Ring Dimensions

Compatibility: 1999–2005 Mazda Miata / MX-5 With Compatible Radium Fuel-System Components

Fitment: Confirm Exact Miata/MX-5 Model Year, Engine, Fuel Rail, Injector Configuration, Connection Sizes, Hose Routing and Available Clearance Before Installation

Application Requirements: Match the plumbing kit to the exact fuel rail, injectors, fuel pump configuration and intended feed/return layout

Application Note: Injector height, O-ring dimensions and plumbing requirements vary by engine and injector configuration. Verify the exact 1999–2005 Mazda Miata/MX-5 application and all surrounding fuel-system components before installation.

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