Description
Spark plug wires are the unsung heroes of reliable ignition—and when you’re pushing your XL Sportster hard, OEM wires simply won’t cut it. The BLUE STREAK 8mm Wire Set delivers the heat resistance and electrical integrity your engine demands, whether you’re on the track or the street. Built with triple silicone construction and rated for sustained high-temperature operation, these wires keep your firing order consistent lap after lap.
- 8mm wire diameter
- Triple silicone construction
- SAE CLASS E J2031 rated
- 450°F continuous operating temperature
- Made in the U.S.A.
- Fits ’07+ Harley XL models
- Bolt-on installation
- MPN: MC-SPW16






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