Check the listing for details. NGK Iridium IX Spark Plugs BPR6EIX 6637. Condition: New. Listed at 21.99 USD. Genuine NGK Products: When you require the best, count on The World Leader in spark plug technology: NGK Spark Plugs. Count on NGK Spark Plugs to deliver the finest quality products and customer service. Product Details: Represents the ultimate evolution of spark plugs. Made of Iridium Ultra-fine center electrode designed to reduce the voltage requirement and ensure maximum durability About Us: LeClare Powersports is a small-town Parts and Accessories store in Springfield, MO. Our low overhead allows us to offer better prices than the 'Big Boys', but our owner-operated store allows us to give our customers the great customer service they deserve. We only sell brand new, high quality GENUINE name-brand aftermarket parts...no junk, no knock offs and no "seconds". Buy with confidence!