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⚡ Ignite your drive with precision power and unstoppable spark!
The Denso IU27 Iridium Power Spark Plug features a groundbreaking 0.4mm iridium center electrode—the world’s smallest diameter—maximizing ignition efficiency. Its U-groove and taper cut ground electrode design accelerates spark flame growth while reducing heat quenching. Enhanced by DENSO’s patented 360-degree laser welding, this spark plug offers exceptional durability and a perfect vehicle-specific fit, delivering reliable, high-performance ignition for cars and trucks.
| ASIN | B000CJ04B4 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #460,138 in Automotive ( See Top 100 in Automotive ) #92 in Automotive Performance Spark Plugs |
| Brand Name | Denso |
| Compatible with Vehicle Type | Car, Truck |
| Core Material | Iridium |
| Customer Reviews | 4.5 4.5 out of 5 stars (108) |
| Gap Size | 0.4 Millimeters |
| Global Trade Identification Number | 00042511053632 |
| Included Components | Spark Plug |
| Item Type Name | Spark Plug |
| Item Weight | 0.03 Kilograms |
| Manufacturer | Denso |
| Manufacturer Part Number | IU27 |
| Manufacturer Warranty Description | Includes manufacturer provided warranty |
| Model Number | IU27 |
| OEM Equivalent Part Number | DENS7 |
| Thread Size | M14 x 1.25 |
| Top Material Type | Iridium |
| UPC | 042511053632 |
| Unit Count | 1 Count |
J**.
YOUR BIKE WILL LOVE YOU!
Spend the extra $3 on these instead of NGK, Irridium Densos will wake your bike up. Clean idle, no bog, and less foul, NICE!
M**A
Excellent upgrade for the stock spark plugs
Excellent upgrade for the stock spark plugs. I already had installed a full exhaust system, and these plugs plus a K&N air filter complete the package. Of course had to remap the fuel injection system.
L**S
Fair
No increase I’m power
M**N
Happy with the product...
Super fast delivery and exellent product...works well for Yamaha FZ6N S2! Thanks
D**Z
Five Stars
great performance
A**L
Replaces OEM 2009 Kawasaki ER6N spark plugs
Brought my 2009 Er6n back to life! Easy install.
G**.
Good plug
Good plugs and long lasting
J**N
Five Stars
awesome sparks great quality
I**A
Great
A**ー
スカラベオ250IEに使用。他オーナーがスカラベオに相性がいいと言うことで購入。初速もそこそこで特にミドル以降での加速と伸び感が良い。NGKプラグより根本側がしっかりしていてよさそう。梱包状態もプラグ不良が起こらないよう、箱の中にプラスッチックリングも入っていて配慮を感じた。スカラベオはプラグ箇所が不思議で奥に斜めで入るので、根本側がしっかりしている方が安心感があります。自分は走行中にプラグの根本が折れて今回交換しました。
A**R
improved performance for my sport motorcycle.
A**S
Good quality, speedy service.
ぷ**に
大型バイクにイリジウムを入れるのは当たり前になちゃってます！125ccに装着するのは初めてなので期待してます。始動は確実に変わりますが走りはどうかなぁぁぁぁぁ
Trustpilot
2 weeks ago
1 month ago