Match with DENSO GI3-1A
The unique Iridium alloy as well as the patented cross groove centre electrode cause an up to 4 kV lower voltage value and allows a reliable ignition and extra long service life.
Roof electrode
gap: 0,28 mm
electrode material: Iridium
Thread size: M18x1.5
Thread reach: 20,6 mm 13/16"
Hex size: 20,8 mm 7/8"