*Price is PER PLUG!
STOCK HEAT RANGE for Mazdaspeed 3, Mazdaspeed 6, CX-7, Ford Focus ST
NGK Iridium IX spark plugs are a high quality performance spark plug featuring an iridium tip for very consistent and stable spark. Iridium also has a very high melting point which keeps it functional in a high heat, high performance engine. The Iridium IX spark plug also features special plating to resist corrosion and seizing.
Commonly used in the Mazdaspeed 3, Mazdaspeed 6, Mazda CX-7, Ford Focus ST, and other engines. For these specific applications, this is a stock heat range spark plug.
NGK Limited Warranty
