Dynatek, Twin Fire coil. Single fire, 4 plug - 65-99 B.T.; 65-03 XL. For electronic ignition (excl. Twin Cam & other single fire applications) in custom applications. (Custom single fire, carbureted models) 3768 Inner Primary Mainshaft Bearing Seal

Inner Primary Mainshaft Bearing Seal KitSold as a Kit

2011 Harley-Davidson Sportster Custom - XL 1200C

Mounts to inner primary housing

Sorted and protected storage of the interchangeable dies in a round magazine

No external hoses or hardware needed

Dynatek, Twin Fire coil. Single fire, 4 plug - 65-99 B.T.; 65-03 XL. For electronic ignition (excl. Twin Cam & other single fire applications) in custom applications. (Custom single fire, carbureted models) 3768 Inner Primary Mainshaft Bearing SealSingle fire coil. For dual plugged head (4 spark plugs total) in single fire applications. 3 ohm primary resistance. Compatible with Dyna 2000i and most other electronic ignition systems. Note: Not compatible with Dyna S ignition modules, which require 5 ohm primary resistance. Note: It is recommended to use ignition modules & coils of the same manufacturer. Intermixing different brands may cause premature failure. Note: Difference between Single &