Advance Unit Assembly - For Sportster, Big Twin, and FXD models XS650 Springer Front Ends Works with many OEM and

Works with many OEM and aftermarket fuel tanks Please see fitment notes to ensure this is the proper cap for your application

Mounts and mating components may need to be shimmed or adjusted

Many riders even buy multiple pairs—clear for night riding or yellow for early morning haze

since we drill them for just this purpose

Advance Unit Assembly - For Sportster, Big Twin, and FXD models XS650 Springer Front Ends Works with many OEM andAdvance Unit Assembly For Sportster, Big Twin, and FXD models Having timing ignition issues with your Harley? This Advance unit will get you back on the road. Features: Includes all the items shown