Ford 289 / 302 Crank Trigger Distributor Distributor Designed For Race Applications Using Crank Trigger Systems MSD IgnitionThese distributors have a low profile cap assembly to clear busy intake set ups and are topped with MSD's new Rynite molded Ford style cap and wire retainer. The low design is accomplished because the only thing under the cap is a rotor! These distributors don't have an advance assembly or pick up so they must be used with a Crank Trigger. Since these distributors are designed for racing applications, a ball bearing is pressed into the housing to