🏁 Ignite your engine’s full potential with pro-level spark plugs!
The Autolite AR3910X is a high-performance racing spark plug engineered with a colder heat range and yttrium-enhanced alloy to reduce side wire temperature by 8%, improving durability and preventing pre-ignition. Designed for professional drivers and serious enthusiasts, this 4-pack offers precision fitment and reliable ignition for enhanced engine performance under intense conditions.
| Brand | Fram |
| Thread Size | 14mm X 1.25 |
| Top Material Type | Alloy Steel |
| Vehicle Service Type | Car |
| Global Trade Identification Number | 00009100031105 |
| UPC | 009100031105 |
| Manufacturer | FRAM |
| Model | AR3910X-4PK |
| Product Dimensions | 3.56 x 1.14 x 0.41 cm; 54.43 g |
| Item model number | AR3910X-4PK |
| Manufacturer Part Number | AR3910X-4PK |
| Colour | Neutral |
| Assembly Required | No |
| Manufacturer | FRAM |
| Country of Origin | USA |
| Item Weight | 54.4 g |
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