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Warranty
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Autolite® Xtreme StartTM spark plugs are designed with an iridium-enhanced fine-wire center electrode that provides 26% quicker*, more consistent starts compared to standard copper plugs; making it the obvious go-to choice for your outdoor equipment.
| Ground Electrode Quantity | 1 |
| Insulator Type | Projected |
| Manufacturer Part Number | XST458DP |
| Terminal Type | Non-removable Nut |
| Spark Plug Reach | 3/8 in. |
| Sub Brand | Xtreme Start |
| VMRS Code | 033003005 |
| Spark Plug Seat Type | Gasket |
| Spark plug Inductive | No |
| Thread Size | 14 mm |
| Quality Level | Premium |
| Spark Plug Heat Range | Autolite 2 |
| Brand | Autolite |
| Spark Plug Thread Size | 14 mm |
| Gap Size | 0.03 in |
| Seat Type | Flat |
| Electrode Core Material | Iridium |
| Insulator Material | Ceramic |
| Spark Plug Resistor | No |
| Resistor Type | No |
| Spark Plug Hex Size | 13/16 in. |
| SDS Required | No |
| Grade Type | Performance |
| Hex Size | 13/16 in |
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