Patented U shape group electrode produces a wider, hotter sparkHeavy duty 5 rib insulators prevent flashoverHigh quality copper/nickel alloy electrodeHighly foul resistant and dissipates heat belter than any other materialImproves engine efficiency and reduces emissionsPatented U shape group electrode produces a wider, hotter spark Heavy duty 5 rib insulators prevent flashover High quality copper/nickel alloy electrode Highly foul resistant and dissipates heat belter than any other material Improves engine efficiency and reduces emissions Increases throttle response and reduces misfires