⚡ Ignite your engine’s full potential with Autolite Racing Spark Plugs!
Autolite AR3932X High Performance Racing Spark Plugs are engineered with a colder heat range and yttrium-enhanced alloy to reduce side wire temperature by 8%, improving durability and minimizing pre-ignition. Featuring a cut back ground electrode for superior ignitability and nickel plating for corrosion resistance, these plugs are trusted by professional racers to deliver reliable, high-performance ignition in demanding conditions.
| ASIN | B06WWNPJ75 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #1,277,273 in Automotive ( See Top 100 in Automotive ) #6,522 in Automotive Replacement Spark Plugs |
| Brand Name | Autolite Iridium Ultra |
| Compatible with Vehicle Type | Car |
| Core Material | Nickel |
| Customer Reviews | 4.4 4.4 out of 5 stars (63) |
| Gap Size | 0.03 inches |
| Global Trade Identification Number | 00009100031082 |
| Included Components | Racing Resistor Spark Plug |
| Item Highlight | Replaces 41R90 5820. Copper-core build with specialized heat ranges for high-RPM, high-compression competition engines. |
| Item Type Name | High Performance Racing Resistor Spark Plug |
| Item Weight | 1.92 ounces |
| Manufacturer | FRAM |
| Manufacturer Part Number | AR3932X-4PK |
| Manufacturer Warranty Description | Manufacturer Warranty |
| Model Number | AR3932X-4PK |
| Number of Items | 4 |
| OEM Equivalent Part Number | AR3932 |
| Thread Size | 14mm |
| Top Material Type | Nickel |
| UPC | 009100031082 |
| Unit Count | 1 Count |
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