Yamaha RD350LC RD250LC Dyna Mini Coil & Dynatek Leads - .5 ohm Coil and 90 deg Dynatek Black Z900 Z1000 Specific Parts 7/8th (22mm) diameter to fit

7/8th (22mm) diameter to fit most standard clamps and controls

These engine plugs are stronger and less Prone to stripping than the stock units

816 pattern

and our own Taper o-ring seal

A base level simple plug and play modulator equipped with a microprocessor managing the lambda sensor signal to optimize the air/fuel ratio improve the engine efficiency and eliminate power gaps typical of the low and medium rpm range improve power delivery while keeping fuel consumption under control

Yamaha RD350LC RD250LC Dyna Mini Coil & Dynatek Leads - .5 ohm Coil and 90 deg Dynatek Black Z900 Z1000 Specific Parts 7/8th (22mm) diameter to fit. 5 ohm low impedance Dyna performance mini coil for the rd 250 350 400 twins and banshee quads. much easier to fit than the large regular Dyna performance coil. imProves the standard ignition system completely! a must for any performance yamaha twin.