NGK Iridium IX Spark Plug 7510

The NGK WR5IX is part of the NGK Iridium IX range.NGK Iridium IX is the performance upgrade from a standard plug. The 0.6 mm fine-wire iridium centre electrode needs less voltage to fire and produces a more concentrated spark, giving quicker starting, crisper throttle response and steadier idle, particularly on high-compression, tuned or high-revving engines. Iridium is around six times harder than platinum and wears very slowly, so the gap stays accurate far longer than nickel. The tapered ground electrode reduces quenching of the flame kernel. Fitted in place of the equivalent standard NGK plug of the same heat range; check the gap before installation.

Outer thread [mm]: 18,0 Spanner Size: 20,8 mm Spark Plug: 1 - Earthed Electrode; Fixed SAE connector; interference Suppression 5 kOhm; Iridium Middle Electrode; with taper gasket seat Spark Position [mm]: 4 Thread Length [mm]: 10,9