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💥 Ignite your engine’s full potential with E3’s DiamondFIRE spark!
The E3.109 Premium Racing Spark Plug features patented DiamondFIRE technology with a dual-leg ground electrode for superior heat transfer and faster, more complete combustion. Designed for racing and high-performance engines, it delivers up to 10 extra horsepower, improved fuel efficiency, and longer spark plug life. Compatible with major OEMs like Champion, Autolite, and NGK, this 14mm taper seat plug ensures easy installation and reliable performance under extreme conditions.
| ASIN | B01JLYM1D4 |
| Brand | E3 |
| Customer Reviews | 4.2 4.2 out of 5 stars (57) |
| Date First Available | 3 Aug. 2016 |
| Exterior | Machined |
| Item Weight | 45.4 g |
| Item model number | E3.109 |
| Manufacturer | E3 Spark Plugs |
| Manufacturer part number | E3.109 |
| Model | E3 Spark Plugs Premium Racing Spark Plug with DiamondFIRE Technology |
| OEM Part Number | E3.109 |
| Product Dimensions | 2.54 x 10.16 x 15.24 cm; 45.36 g |
M**E
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 plugs, gave me 10 more hp and good gas mileage
G**P
Work very well w cold air intake and a performance chip added about 50 more hourse power
A**T
i ordered 8 plugs and only 7 in the package
C**L
Car is running much better now
Trustpilot
2 months ago
2 days ago