NGK Iridium IX Spark Plugs (ZFR6FIX-11)
2001-2005 Honda Civic DX, LX and EX(1.7L SOHC D17A1 / D17A2 Engines)
4pcs: NGK iridium spark plugs ZFR6FIX-11
NGK IX Iridium Series plugs were designed specifically for the performance enthusiast.
Fine wire center electrode ensures high durability and a consistently stable spark
Iridium alloy has an extremely high melting point, perfect for today's high-tech, high performance engines
Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
Corrugated ribs prevent flashover
Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
Copper core aids in heat removal
Triple seals prevent leakage
durability and a higher melting point compared to Platinum plugs
NOTE: Always read spark plugs after a wide open throttle pull. Higher boost levels generally require a colder plug.