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Radium Engineering  |  SKU: rad20-0533-PK
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Radium Engineering Mitsubishi 4G63 Early Fuel Rail Plumbing

Sale price $ 75.95 Regular price $ 79.95
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Short Description

The Radium Engineering Mitsubishi 4G63 Early Fuel Rail Plumbing Kit provides application-specific plumbing for upgraded fuel rail systems on compatible early 4G63 engines. Designed for performance builds using larger injectors, increased fuel demand, and AN-based feed and return plumbing, it helps create a clean and serviceable fuel-delivery layout.

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Usually ready in 5+ days

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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 Mitsubishi 4G63 Early Fuel Rail Plumbing upgrades fuel delivery at the engine with higher-flow rail hardware and application-specific plumbing for the named platform. It is aimed at builds using larger injectors, higher fuel demand, or AN-based feed and return plumbing that the factory rail arrangement was not designed to support.

For Mitsubishi 4G63 Early, it is intended to integrate with the vehicle-specific layout rather than serve as a universal substitute. Injector height, upper/lower O-ring diameter, and plumbing requirements vary by engine. Match the exact application and injector configuration.

Specifications

Vehicle Fitment: Mitsubishi 4G63 Early Applications

Brand: Radium Engineering

Part Number: 20-0533-PK

Type: Fuel Rail Plumbing Kit

Function: Fuel Rail Feed & Return Plumbing

Design: Application-Specific Fuel Rail Plumbing Kit

Application: Mitsubishi 4G63 Performance Fuel Systems

Fuel System: EFI

Use: Upgraded Fuel Delivery & Performance Fuel Injectors

Installation: Mitsubishi 4G63 Early Engine / Fuel Rail

Plumbing: AN-Based Fuel-System Plumbing

Connections: Fuel Rail Feed & Return

Injector Configuration: Verify Exact Injector Configuration

Compatibility: Mitsubishi 4G63 Early Applications With Compatible Radium Fuel Rail Components

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

Fitment: Confirm Exact 4G63 Engine Configuration, Fuel Rail, Injectors and Existing Fuel-System Plumbing Before Installation

Application Requirements: Verify Connection Sizes, Hose Routing, Fittings and Available Clearance

Application Note: Injector height, O-ring dimensions and plumbing requirements vary by engine and injector configuration. Verify the exact 4G63 application and fuel-system components before installation.

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