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. His 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. This item is in the category "Vehicle Parts & Accessories\Motorcycle & Scooter Parts & Accessories\Electrical & Ignition Components\Ignition Wires, Caps & Boots". The seller is "suzukiperformanceltd" and is located in this country: GB. This item can be shipped worldwide.