Spark Plug HolderKeep your spark plugs organised, clean, and easy to identify with this precision laser cut spark plug holder. Designed to hold two rows of six plugs, it's perfect for 4, 6, or 8 cylinder engines. Whether you're into roll racing, drag racing, or circuit racing, this holder is a must have in your toolkit. Its especially handy when troubleshootingallowing you to easily match old plugs with new ones, compare conditions cylinder by cylinder, and spot