Autolite Xtreme Sport Spark Plug XS4164 Fits: > 99-17 Twin Cam 86-21 XL Sportster 94-07 Buell models
Xtreme Sport Spark Plug Fits: > 99-17 Twin Cam, 86-21 XL Sportster, 94-07 Buell models
- More focused ignition to prevent fouling than leading standard plug
- .6mm finewire design with Sport V-trim ground electrode engineered to offer improved ignitability and durability over a standard plug
- Up to 26% quicker starts than leading standard plug
- More horsepower and better fuel efficiency than standard plug
- Meets or exceeds OEM design
| HEAT RANGE | 6 |
| MODEL | Xtreme Sport |
| TERMINAL CONFIGURATION | Solid Terminal |
| THREAD SIZE | 12 mm |
| STYLE | XS4164 |
| TYPE | Resistor Type |
| UNITS | Each |
| PRODUCT NAME | Spark Plug |
| CENTER ELECTRODE TYPE | Fine Wire |
| ELECTRODE TIP MATERIAL | Iridium |
| CENTER ELECTRODE PROJECTION | Projected |
| THREAD REACH | 19,1 mm (3/4") |
| HEX SIZE | 17,5 mm (11/16") |
| GROUND ELECTRODE SHAPE | Standard |
SOLD EACH
AUTOLITE PLUG XS4164 | |
| Part Number | 21030418 |
| Vendor Part # | XS4164 |
