Iridium v/s ordinary spark plug

In dedicated race cars resistor-less copper plugs are used. Iridium and platinum plugs are chosen for their longevity only. ... The main difference is the material that the 'tip' of the spark plug is made of - normal ones are usually copper, whereas the other two have tips made out of platinum or iridium.

• #متفرقه
• #spark_plug
• #bike
• #power