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Autolite | Autolite AR3910X Racing Spark Plug AR3910X
$4.23
$5.29
expand_less Manufacturer Heat Range 15 Resistor Type No Gap Size 0.8 Electrical Terminal Type Non-removable Nut Hex Size 5/8" Ground Electrode Core Material Nickel Center Electrode Core Material Copper Reach 0.88 Grade Type Performance Washer Included Yes
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| Manufacturer Heat Range | 15 |
| Resistor Type | No |
| Gap Size | 0.8 |
| Electrical Terminal Type | Non-removable Nut |
| Hex Size | 5/8″ |
| Ground Electrode Core Material | Nickel |
| Center Electrode Core Material | Copper |
| Reach | 0.88 |
| Grade Type | Performance |
| Washer Included | Yes |
| Ground Electrode Quantity | 1 |
| Insulator Material | Ceramic |
| Thread Diameter | 14 |
| Center Electrode Tip Material | Nickel |
| Resistance | 1 |
| Ground Electrode Tip Design | Surface Discharge |
| Insulator Height | 50.98 |
| Pre-Gap Size | 0.7619999999999999 |
| Center Electrode Design | Standard / Regular |
| Center Electrode Insulator Tip Projection | Mid Projection |
| Seat Type | Gasket |
| Alliance Keywords | spark plug, bougie d’allumage, bougie |
| Terminal Type | Non Removable Nut |
| Ground Electrode Tip Material | Steel |
| Part Terminology | Spark Plug |
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Autolite Racing spark plugs are engineered with a cut-back ground electrode, anti-corrosive nickel plating, and large ground electrode that deliver better heat transfer, ensuring maximum engine performance on the track.
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