---
product_id: 294236967
title: "HKS - 50003-M40IL Spark Plug 8 EJ25 / TB48 / Focus ST/ EVO9 /"
brand: "hks"
price: "1526 DH"
currency: MAD
in_stock: false
reviews_count: 1
category: "Hks"
url: https://www.desertcart.ma/products/294236967-hks-50003-m40il-spark-plug-8-ej25-tb48-focus-st
store_origin: MA
region: Morocco
---

# Copper core for superior ignition 4mm precision thread size Engineered in Japan for reliability HKS - 50003-M40IL Spark Plug 8 EJ25 / TB48 / Focus ST/ EVO9 /

**Brand:** hks
**Price:** 1526 DH
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Ignite your drive with precision-engineered spark plugs! ⚙️

## Quick Answers

- **What is this?** HKS - 50003-M40IL Spark Plug 8 EJ25 / TB48 / Focus ST/ EVO9 / by hks
- **How much does it cost?** 1526 DH with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ma](https://www.desertcart.ma/products/294236967-hks-50003-m40il-spark-plug-8-ej25-tb48-focus-st)

## Best For

- hks enthusiasts

## Why This Product

- Trusted hks brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sleek, Durable Design:** Engineered for longevity and optimal heat dissipation, combining style with function.
- • **Trusted by Enthusiasts:** Top-rated by users for flawless performance, making your ride stand out on the road.
- • **Copper Core Ignition Power:** High-quality copper core delivers enhanced conductivity and reliable spark every time.
- • **Hygienic, Secure Packaging:** Factory-sealed packaging guarantees pristine condition and easy installation.
- • **Precision Fit for Peak Performance:** Vehicle-specific design ensures seamless compatibility with EJ25, TB48, Focus ST, EVO9 engines.

## Overview

The HKS 50003-M40IL Spark Plug is a vehicle-specific, copper-core ignition component designed for high-performance engines like the EJ25, TB48, Focus ST, and EVO9. Manufactured in Japan, it features a precise 4mm thread size and sleek design, ensuring reliable ignition and durability. Highly rated by users, it combines advanced engineering with premium packaging for a flawless installation experience.

## Description

HKS 50003-M40IL Spark Plug 8 EJ25 / TB48 / Focus ST/ EVO9, Seamless functionality, Packed with a host of goodness, Sleek design.

Review: Good product but slightly pricy. - Used this for my ford focus ST. Works perfectly.

## Features

- Seamless functionality
- Sleek design
- Hygienic packaging
- Unparalleled performance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B009Z6NX6S |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #35,923 in Automotive ( See Top 100 in Automotive ) #199 in Automotive Performance Spark Plugs |
| Brand | HKS |
| Brand Name | HKS |
| Compatible with Vehicle Type | Car |
| Core Material | Copper |
| Core material | Copper |
| Country of Publication | Japan |
| Customer Reviews | 5.0 out of 5 stars 1 Review |
| Item Weight | 0.5 Pounds |
| Manufacturer Part Number | 50003-M40IL |
| Thread Size | 4mm |
| Thread size | 4mm |
| Top Material Type | Copper |
| Top material type | Copper |
| UPC | 701575750832 |
| Vehicle service type | Car |

## Product Details

- **Brand:** HKS
- **Core material:** Copper
- **Thread size:** 4mm
- **Vehicle service type:** Car
- **Automotive Fit Type:** Vehicle Specific Fit

## Images

![HKS - 50003-M40IL Spark Plug 8 EJ25 / TB48 / Focus ST/ EVO9 / - Image 1](https://m.media-amazon.com/images/I/61ugjlAHGVL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good product but slightly pricy.
*by E***N on 21 September 2022*

Used this for my ford focus ST. Works perfectly.

## Frequently Bought Together

- HKS 50003-M40IL Super Fire Racing Spark Plug (M40iL), 1 Pack
- K&N Premium Oil Filter: 20,000 Mile Engine Protection with Wrench Off Nut: Compatible with Select 1983-2022 HYUNDAI/KIA/SUBARU/HONDA Vehicle Models (See Product Description for Select Models),HP-1004

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**Shop now:** [https://www.desertcart.ma/products/294236967-hks-50003-m40il-spark-plug-8-ej25-tb48-focus-st](https://www.desertcart.ma/products/294236967-hks-50003-m40il-spark-plug-8-ej25-tb48-focus-st)

---

*Product available on Desertcart Morocco*
*Store origin: MA*
*Last updated: 2026-02-17*