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⚡ 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 | #517,879 in Automotive ( See Top 100 in Automotive ) #863 in Automotive Replacement Spark Plug Wires #2,880 in Automotive Replacement Spark Plugs |
| Brand | E3 |
| Brand Name | E3 |
| Compatible with Vehicle Type | Racing Vehicle |
| Core Material | Copper |
| Customer Reviews | 4.2 out of 5 stars 65 Reviews |
| Global Trade Identification Number | 00894489000053 |
| Included Components | E3 Race Spark Plug |
| Item Type Name | Spark Plug |
| Item Weight | 0.1 Pounds |
| Manufacturer | E3 Spark Plugs |
| Manufacturer Part Number | E3.109 |
| Model Number | E3.109 |
| OEM Equivalent Part Number | E3.109 |
| Thread Size | 14mm |
| Top Material Type | Copper |
| UPC | 894489000053 |
| Unit Count | 1.0 Count |
| Vehicle Service Type | Racing Vehicle |
M**E
Use the E3 spark plug
I've been a mechanic since 1975, what people don't understand is that they don't have to put the spark plus that they call for in your lawnmower. I use the E3 plug. My lawnmower starts easy an I use less gas. Clean the plug an it will last a long time.
R**E
Good spark
Good plugs, gave me 10 more hp and good gas mileage
G**P
I have a cold air intake on the journey and also a performance chip
Work very well w cold air intake and a performance chip added about 50 more hourse power
A**T
7 out of 8
i ordered 8 plugs and only 7 in the package
C**L
Must work
Car is running much better now
R**.
Low cost high value
I really could tell a difference… I mean not a crazy difference.. but my hawk 250 definitely ran better with this plug versus the one that came with it… I have also ran it with the iridium plug.. now they do last longer but to me the e3 feels the same performance wise
Trustpilot
1 month ago
2 months ago