Single Fire Performance Ignition Kit. Dyna S performance ignition system is single fire for street applications only.Kit includes sensor plate assembly, coil , and single plug. 1980-up application require advance mechanism. The item "Single Fire Performance Ignition Kit for Harley Shovelhead Evo Twin Cam-88" is in sale since Wednesday, November 29, 2017. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Electrical & Ignition\Other Electrical & Ignition". The seller is "blacksheepmcparts" and is located in Lincoln, Nebraska. This item can be shipped worldwide.