DENSO Iridium Spark Plug, U-Style, heat range 22, Each, reach 12.7mm, Threaded, thread 14mm, IWF22

Description

DENSO Iridium Spark Plug, U-Style, heat range 22, Each, reach 12.7mm, Threaded, thread 14mm, IWF22

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