Autolite XL fine wire aviation spark plugs by Unison offer long life, consistent performance and lower total cost of ownership. They feature iridium wire electrodes for longer life, proprietary resistor design for more consistent performance, and computer controlled manufacturing with 100 percent testing. Autolite XL spark plugs last at least times longer than massive electrode spark plugs. For more information visit www.autoliteannie.com or www.unisonindustries.com.
