Proper heat flow is essential for spark plug performance and durability. Watch our video to find out how to keep your spark plug in the optimal heat range – and what happens if this is not the case. | NGK NTK

While there isn't a standard scale for #sparkplug heat range across the auto industry, DENSO employs a low-to-high number scale based on cold and hot plugs and engines for optimal performance. See where you fall on the scale below. https://bit.ly/2ROJU0A #QualityTimewithDENSO #thebestpartispeaceofmind #ThursdayThoughts | DENSO Auto Parts

One of the most crucial factors in choosing the right #sparkplug? Heat range! Get the basics of how heat range scales work before we delve into how DENSO determines the best spark plug for both cool and hot engines. https://bit.ly/2ROJU0A #QualityTimewithDENSO #thebestpartispeaceofmind #TuesdayThoughts | DENSO Auto Parts