

🔥 Ignite your drive with precision-engineered spark plugs! ⚙️
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.
| 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 |
E**N
Good product but slightly pricy.
Used this for my ford focus ST. Works perfectly.
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