NGK Iridium IX Spark Plug UR45IX (8 Pack) for MERCURY COUGAR XR-7 1977-1978 6.6L/400

Engine V8, Engine Size 6.6L/400 Engine Family Ford Modified Fine wire Iridium center electrode ensures high durability and a consistently stable spark Iridium alloy has an extremely high melting point, perfect for today's high-performance engines Sold In 8 Pack