NGK 6441 ZFR6FIX-11 Iridium IX Spark Plug, Pack of 4
Brand: NGK
Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior fouling
The 0.6 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect
Longer insulator nose avoid fouling, the corrugated ribs on insulator avoid flashover, and a triple gasket seal eliminates combustion gas leakage
Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high performance engines
Trivalent Metal Plating provides superior corrosion and seizing properties; Part number of spark plug inside the box: ZFR6FIX-11