The tuning kit includes a new ignition interruption with a stronger spring, a new stronger capacitor and the associated heavy duty holder made of copper. This kit is less wear and tear than the conventional ignition - interruption, which significantly changed the maintenance intervals. The engine runs more smoothly with this interrupter, the ignition timing does not shift as quickly and as a result has to be readjusted less. In addition, the spring does not tire nearly as quickly as with the original breaker, which means it has a longer service life. The KIT is suitable for all Big Twin engines from 1970 - 1999 and Sporter engines from 1971 - 2003 with contact inflammation. We have many other articles from the American tuning brand Blue Streak, such as various ignition coils, ignition cabl.