- Fits all Harley-Davidson and Metric spark plugs with 90° boots
- Universal Design allow these to be used on most European and Metric Bikes
- Designed to show your engine's spark through colored lenses at the base of the wire
- Sold as a set of 2
- Also available in RED
Easy to install. Just remove the rubber boot that goes over the wire. Slide the rubber boot over the spark plug wire. Then the Sparkie has a threaded stud if you look down into it. Just thread this into your spark plug Wire.
For these Sparkies to snap onto your spark plug, your spark plug will need a terminal nut. If you look at the end of your spark plug and you see threads, you need the terminal nut. Most spark plugs come with a terminal nut.