TORCH K6RIU Iridium Spark Plug Fix Rough Idle and Misfire

Nozzle
September 11, 2026
Keyword: Nozzle
Video Description:
Ever wondered how upgrading your spark plugs could solve rough idle, misfires, and poor cold starts? In this video, we install and test the TORCH K6RIU Iridium Spark Plug to demonstrate its performance in real engine conditions. Watch as we explain how the ultra-thin iridium electrode improves combustion efficiency and delivers reliable ignition even in sub-zero temperatures.