BUY Flashing Spark Plug Caps HERE
- Spark firings create a dramatic flashing effect through the transparent red section of the cap
- Allows you to visually check the condition of your ignition system
- For motorcycles and ATVs
Regular light flow indicates normal condition; irregular or weak flow indicates a problem with one of the system components. Rubber covers block out moisture that can cause shorting. Caps fit 10mm, 12mm and 14mm spark plugs and accept 7mm or 8mm plug wires. Check angle before ordering. Choose 120° angle, 90° angle or straight.
BUY Flashing Spark Plug Caps HERE
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