Check the listing for details. Dynatek CDI Points Replacement Ignition Ducati 750 Twin Dyna DS4-1 Dyna S. Condition: New. Listed at 193.99 USD. Dynatek Dyna S Part Number: DS4-1 Ducati 750 Twins Motorcycle, all models 1972-1974 Up to 6 Horsepower gain!Quicker starting.Better mileage.Reliable long life.Easy installation. (Instructions included)Solid state pickup. (Stock ignitions have mechanical contact points)State-of-the-art engineering.Set the timing once and never think about it again!!The Dyna S High Performance Ignition System, is a complete self-contained electronic ignition system built with the latest state-of-the-art engineering. This is the same ignition used by top racers over the past 2 decades. The Dyna S is completely housed behind the ignition cover and uses a magnetic rotor with the original spark advancer, so the factory advance curve is maintained. Please call with any questions regarding this item. We are an authorized Dynatek dealer. If you do not see the item you are looking for in our eBay store, please contact us at and we will make an eBay listing to fit your needs. NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT MAY ALSO BE ILLEGAL NATIONWIDE UNDER THE FEDERAL CLEAN AIR ACT (42 U.S.C. §7522(A)(3))