---
product_id: 294236967
title: "50003-M40IL Spark Plug 8 EJ25 / TB48 / Focus ST/ EVO9 /"
brand: "hks"
price: "₹ 8255"
currency: INR
in_stock: true
reviews_count: 1
category: "Hks"
url: https://www.desertcart.in/products/294236967-50003-m40il-spark-plug-8-ej25-tb48-focus-st-evo9
store_origin: IN
region: India
---

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

**Brand:** hks
**Price:** ₹ 8255
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your ride with precision and power!

## Quick Answers

- **What is this?** 50003-M40IL Spark Plug 8 EJ25 / TB48 / Focus ST/ EVO9 / by hks
- **How much does it cost?** ₹ 8255 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/294236967-50003-m40il-spark-plug-8-ej25-tb48-focus-st-evo9)

## 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:** Crafted with premium materials for longevity and consistent performance under pressure.
- • **Trusted by Enthusiasts:** Top-rated by users who demand flawless ignition and uncompromised driving experience.
- • **Copper Core Ignition Power:** Enhanced conductivity delivers faster, more reliable spark for optimal engine efficiency.
- • **Hygienic, Secure Packaging:** Protects each spark plug from contamination, guaranteeing fresh, ready-to-install condition.
- • **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 high-performance, vehicle-specific ignition component featuring a copper core and 4mm thread size. Engineered in Japan, it delivers reliable, efficient spark for models like the EJ25, TB48, Focus ST, and EVO9. Packaged hygienically to ensure optimal condition, this spark plug is favored by automotive enthusiasts seeking seamless functionality and durability.

## 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 | #78,927 in Automotive ( See Top 100 in Automotive ) #453 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 |
| Model 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
- **Top material type:** Copper
- **Vehicle service type:** Car

## Images

![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.in/products/294236967-50003-m40il-spark-plug-8-ej25-tb48-focus-st-evo9](https://www.desertcart.in/products/294236967-50003-m40il-spark-plug-8-ej25-tb48-focus-st-evo9)

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*Product available on Desertcart India*
*Store origin: IN*
*Last updated: 2026-07-12*