V-Factor Sparkies RED Spark Plug Covers 90 Degree Boots For Most Harley # 18905

• Fits all Harley-Davidson 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 Blue

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.