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 PackYou may also like 10 pc NGK 3764 Iridium IX Spark Plugs for 1765282 1UNA-18-110 22401AA500 3162 3163 3262 3344 3344-2 3449 4201 4417 4702 5304 5604 9607 9610 98079-5614E-HE 99000-79K60-KR6 999-06910-X9-007 AGPR22P.