Traditional nickel electrodes. Copper core improves resistance to fouling. Power tip extends further into the combustion chamber to aid in self-cleaning, reducing fouling at low RPMS and pre-ignition at high speeds.
Part Number: 258
| Shell | |
| Thread Diameter | 14mm |
| Thread Pitch | 1.25mm |
| Seat Type | Gasket |
| Reach | 9.5mm (3/8-Inch) |
| Hex Size | 3/4-Inch (19mm) |
| Terminal Type | Solid |
| Gap | .024-Inch (0.6mm) |
| Center Electrode | |
| Material | Nickel |
| Type | Standard |
| Size | 2.5mm |
| Projection | Non-Projected |
| Ground Electrode | |
| Material | Nickel |
| Type | Standard |
| Quantity | 1 |
| Specifications | |
| Resistor | No |
| Heat Range | 9 |
| Torque Specs | Cast Iron: 26-29 lb. ft. Aluminum: 15-22 lb. ft. |
| Longevity | 30k Miles |
Autolite Nickel Spark Plug - 258
$3.99
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