Autolite racing plugs are specially designed for extreme conditions and demanding applications. Cut-back ground electrode exposes spark for quicker acceleration. Nickel plated shell prevents corrosion.
Part Number: AR73
| Shell | |
| Thread Diameter | 14mm |
| Thread Pitch | 1.25mm |
| Seat Type | Gasket |
| Reach | 9.5mm (3/8") |
| Hex Size | 13/16mm" (21mm) |
| Terminal Type | Solid |
| Gap | .024" (0.6mm) |
| Center Electrode | |
| Material | Nickel |
| Type | Standard |
| Projection | Projected |
| Ground Electrode | |
| Material | Nickel |
| Type | Cut Back |
| Quantity | 1 |
| Specifications | |
| Resistor | No |
| Heat Range | 3 |
| Torque Specs | Cast Iron: 26-29 lb. ft. Aluminum: 15-22 lb. ft. |
Autolite Racing Plug - AR73
$15.99
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