Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
NGK Iridium IX spark plugs deliver extreme ignitability, improved throttle response and durability suitable for modified or high-performance applications. The fine iridium center electrode and tapered ground electrode improve starting, idling and throttle response while trivalent plating helps resist corrosion and seizing. Iridium's high melting point and fine-wire tip provide consistent, long-lasting spark for demanding engines.
NGK Iridium Stock Heat Spark Plugs Box of 4 (BKR5EIX)
