Denso spark plug iridium power

<li>Six times harder than platinum, iridium doesn't melt in temperatures up to 4,000&amp;degF</li><li>Because the iridium electrodes of these plugs can be shrunk to only 0.4mm, voltage requirements decrease while firing performance improves</li><li>360&amp;deg laser welding of electrode provides a seal that resists wear even in the worst conditions</li><li>Ground electrode features a tapered cut and U-groove that form a large volume area for the flame's center</li><li>Use NGK reference chart to order and stock these plugs</li>