71-03 Sportster, 70-84 FL Shovel, 71-84 FX Shovel, 85-94 FX Model, 91-98 Dyna, 84-99 Softail, 85-98 Touring
Note: Except EFI models
Systems use magnetic rotors with Original Equipment spark advance mechanisms to retain the factory advance curves and replace points and condensers with a high-performance dual or single-fire system.