⚡ Ignite your engine’s full potential with DiamondFIRE precision!
The E3.109 Premium Racing Spark Plug features patented DiamondFIRE technology with a dual-leg ground electrode for superior heat transfer and faster flame propagation. Designed with a 14mm thread, 0.708” reach, and 5/8” hex taper seat, it delivers increased horsepower, improved fuel efficiency, and reduced emissions. Compatible with leading racing spark plug models and backed by a limited lifetime warranty, it’s engineered for high-RPM racing engines demanding peak performance and durability.
| Asin | B01JLYM1D4 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #1,730,636 in Automotive (See Top 100 in Automotive) #2,838 in Automotive Replacement Spark Plug Wires #8,450 in Automotive Replacement Spark Plugs |
| Brand Name | E3 |
| Compatible With Vehicle Type | Racing Vehicle |
| Core Material | Copper |
| Customer Reviews | 4.2 4.2 out of 5 stars (66) 4.2 out of 5 stars |
| Global Trade Identification Number | 00894489000053 |
| Included Components | E3 Race Spark Plug |
| Item Type Name | Spark Plug |
| Item Weight | 1.6 ounces |
| Manufacturer | E3 Spark Plugs |
| Manufacturer Part Number | E3.109 |
| Model Number | E3.109 |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Oem Equivalent Part Number | E3.109 |
| Thread Size | 14mm |
| Top Material Type | Copper |
| Unit Count | 1 Count |
| Upc | 894489000053 |
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