This is the top of the line Iridium NGK plug for Vespas using the long plug with electronic ignition. This plug is pre-gapped at .8mm and is a resistor style plug. It has the removable connector so it can be used with different plug caps. This plug is not for weak points ignition systems. This is a replacement for the B7ES.
Also fits Malossi 177cc cylinder kits as well as 210cc.
The number in the NGK represents it's temperature range.
7 is for everyday city use with short periods of high rpm runs.
8 is for less stop and go but longer times of higher rpm running.
