⚡ Ignite your engine’s full potential with pro-grade spark plugs!
The FRAM AR3933X-4PK is a high-performance racing spark plug engineered with a colder heat range and yttrium-enhanced alloy to reduce side wire temperature by 8%, delivering superior durability and preventing pre-ignition. Trusted by professional drivers, it offers a precision fit and robust construction for intense racing conditions.
| Brand | Autolite Iridium Ultra |
| Core Material | Nickel |
| Top Material Type | Alloy Steel |
| Vehicle Service Type | Car |
| Global Trade Identification Number | 00009100031099 |
| UPC | 009100031099 |
| Manufacturer | FRAM |
| Model | AR3933X-4PK |
| Product Dimensions | 12.7 x 2.54 x 2.54 cm; 54.43 g |
| Item model number | AR3933X-4PK |
| Manufacturer Part Number | AR3933X-4PK |
| Position | Center |
| Assembly Required | No |
| Manufacturer | FRAM |
| Country of Origin | USA |
| Item Weight | 54.4 g |
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