DetailsDenso Iridium Power Spark Plug IWM31. Manufacturer Part Number 5393. Denso Iridium Power Spark Plugs utilise a 0.4mm Iridium alloy centre electrode and a U-grooved ground electrode to improve ignition efficiency. This means cleaner combustion, less load on the ignition system, improved economy and a crisper throttle response. Useful service life is expected to be around 2 - 3 times that of a standard spark plug. Made in Japan.
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Manufacturer Denso Thread Diameter [mm] 14 Thread Length [mm] 19 Tightening Torque [Nm] 22 Spanner Size [mm] 20.6 Spark Plug 1 - Earthed Electrode Terminal Shape Solid ArtNr IWM31 Gap Size 0.8mm Resistor Yes Terminal Type Solid Part Type Spark Plug
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