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: 388
| Shell | |
| Thread Diameter | 18mm |
| Thread Pitch | 1.5mm |
| Seat Type | Gasket |
| Reach | 12.7mm (1/2-Inch) |
| Hex Size | 7/8-Inch (22mm) |
| Terminal Type | Removable Nut |
| 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 |
| Resistor Value | 5k Ohm |
| Heat Range | 6 |
| Torque Specs | Cast Iron: 32-38 lb. ft. Aluminum: 28-34 lb. ft. |
| Longevity | 30k Miles |
Autolite Nickel Spark Plug - 388
$3.99
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