



⚡ Ignite your engine’s full potential with DiamondFIRE precision!
The E3.109 Premium Racing Spark Plug features a 14mm thread, 0.708” reach, and patented DiamondFIRE technology with a dual-leg ground electrode for enhanced combustion efficiency. Designed specifically for high-RPM racing engines, it improves power output, reduces fuel consumption, and lowers emissions. Compatible with major spark plug brands and backed by a limited lifetime warranty, it’s engineered for durability and peak performance on the track.
| Brand | E3 |
| Core Material | Copper |
| Thread Size | 14mm |
| Top Material Type | Copper |
| Vehicle Service Type | Racing Vehicle |
| Global Trade Identification Number | 00894489000053 |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 894489000053 |
| OEM Part Number | E3.109 |
| Manufacturer | E3 Spark Plugs |
| Model | E3 Race Spark Plug |
| Item Weight | 1.6 ounces |
| Product Dimensions | 1 x 4 x 6 inches |
| Item model number | E3.109 |
| Exterior | Machined |
| Manufacturer Part Number | E3.109 |
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