When you take your powersports to the extreme, it's time for Autolite Xtreme Sport spark plugs. Designed with iridium-enhanced 0.6mm finewire design for improved ignitability, faster fuel combustion and a more focused ignition versus standard plugs. They'll give you up to 26% quicker starts compared standard plugs, and as much as 21% less hydrocarbon emissions than standard plugs for better fuel efficiency and horsepower.
| Cross Reference | |
| AC-Delco | R41XL, S41XL, S41XLR |
| Accel | 141 |
| Champion | 8904-1, QN3YCC |
| Denso | IW27, IW29, W27ES, W27ES-GU, W27ES-U, W27ES-V, W27ES-ZU, W27ESR-U, W27ESR-V, W27ESR-ZU, W29ESR-V |
| Harley-Davidson | HD7-8 |
| Husqvarna | A1614818-01 |
| Motorcraft | AG090, AG901X |
| NGK | B8EIX, B8EVX, BPR9EIX, BPR9EVX, BR8ECMIX, BR8ECMVX, BR8EIX, BR8EIX SOLID, BR8EVX |
| Splitfire | SF405C, SF406C |
| Spack Plug Specs | |
| Gap | .030" |
| Heat Range | 21 |
| Hex Size | 13/16" |
| Metal Type | Iridium |
| Reach | 3/4" |
| Resistor | Resistor |
| Seat Type | Gasket |
| Special Feature | Finewire |
| Terminal Type | Solid |
| Thread Size | 14mm X 1.25 |
| Tip Configuration | Short Projection |
Autolite Xtreme Sport Iridium Spark Plug - XS4063
- Brand: Autolite
- Product Code: XS4063
- Availability: Out Of Stock
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$15.46
Tags: Spark Plug