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⚡ Ignite Your Drive with Precision and Power!
The HKS 50003-M45XL M-Series Super Fire Racing Spark Plug features a 0.6mm iridium alloy center electrode paired with a platinum chip outer electrode, engineered for enhanced ignition performance and durability. Its anti-vibration short outer electrode design and thermal edge ceramic insulator actively reduce carbon buildup, ensuring reliable starts and extended lifespan. Ideal for rotary engines, this universal-fit spark plug delivers professional-grade performance and longevity.
| ASIN | B003THZK5Q |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #88,764 in Automotive ( See Top 100 in Automotive ) #552 in Automotive Performance Spark Plugs |
| Brand | HKS |
| Brand Name | HKS |
| Compatible with Vehicle Type | Car |
| Core Material | Iridium |
| Core material | Iridium |
| Country of Publication | Japan |
| Customer Reviews | 4.6 out of 5 stars 134 Reviews |
| Gap Size | 0.6 Millimeters |
| Global Trade Identification Number | 04957266720431 |
| Included Components | Main component only |
| Item Weight | 10 Grams |
| Manufacturer | HKS |
| Manufacturer Part Number | 50003-M40G |
| Model Number | 50003-M45XL |
| OEM Equivalent Part Number | 50003-M45XL |
| Thread Size | Fourteen millimeters by Nineteen millimeters |
| Thread size | Fourteen millimeters by Nineteen millimeters |
| Top Material Type | Metal |
| Top material type | Metal |
| Unit Count | 1 Count |
| Vehicle service type | Car |
S**N
Original
❤️very nice 👍🏼
K**R
Poor quality, missing parts, reused sentback!
AWFUL THEY WERE OPEN, they were pregapped, one broken AND one is missing.
R**1
Perfect upgrade to my tuned elantra n
Switched to these HKS spark plugs and wow — my car runs smoother and feels more responsive. Easy to install and they hold up great even when I push the engine hard. Definitely a solid upgrade if you want better performance without breaking the bank. Highly recommend!
C**E
ランエボⅩに使用
ランエボⅩに使用している。純正は熱価8番だがかなり焼け気味なので9番を使っている。サーキットではR2556-9を使い、それ以外ではラリーアートRAY66015を使っていたが廃番になったので本品を使った。ほぼ同一品と思われ問題なく使える。
T**.
Very nice
High quality and just as expected. Excellent spark plugs for a tuned 2020 veloster N. easy install just need a 10mm and spark plug socket
R**N
Not happy
Just received my "brand new spark plug" I ordered... Opened the box and found this in it... a used NGK plug.. this is unreal.
Trustpilot
2 weeks ago
2 months ago