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⚡ Ignite your engine’s full potential with Autolite Racing Spark Plugs!
Autolite AR3910X Racing Spark Plugs deliver professional-grade ignition with a yttrium-enhanced alloy that reduces side wire temperature by 8%, a colder heat range tailored for modified engines, and a corrosion-resistant nickel plating. Designed for durability and faster ignition, these plugs are a top choice for racers and performance enthusiasts seeking reliable, high-performance spark plugs.
| ASIN | B00IAAVU56 |
| Brand | Autolite Iridium Ultra |
| Brand Name | Autolite Iridium Ultra |
| Compatible with Vehicle Type | Car |
| Core Material | Nickel |
| Country of Origin | USA |
| Customer Reviews | 4.7 out of 5 stars 632 Reviews |
| Global Trade Identification Number | 00009100031105 |
| Item Type Name | Racing Non-Resistor Spark Plug |
| Item Weight | 0.12 Pounds |
| Manufacturer | FRAM |
| Manufacturer Part Number | AR3910X-4PK |
| Model | AR3910X-4PK |
| Thread Size | 14mm X 1.25 |
| Top Material Type | Alloy Steel |
| UPC | 009100031105 |
| Unit Count | 4.0 Count |
| Vehicle Service Type | Car |
| What Is In the Box | High Performance Racing Non-Resistor Spark Plug |
D**E
Perfect for karting!
L**K
Awesome plugs for the price.
J**R
Muy buenas
Se las puse a mis dos mini bike COLEMAN una con motor 196cc y otra con 212cc... Jalan demasiado bien... Muy recomendables.
J**E
The best 212 plug
S**R
Work great