brand new Mini dyna hi voltage ignition coil for rd250/350 lc,ypvs etc. 0.5 ohm primary resistance ,11500 secondary resistance. 80 to 90 mm mounting slot.. double the voltage of the std coils when they were new! much smoother runner and better combustion.This package is complete with the premium Taylor ignition leads with factory fitted moulded colour matched plug caps. see our other listings for the full range of dyna products.red by eBay Turbo Lister