FOR 2 (TWO) H4 ADAPTER RINGS FOR THE: Honda ST1100 Honda ST1300
H4 headlight bulb adapter rings to allow aftermarket bulbs, such as our HID kits to be used in your Honda motorcycle.
Honda H4 bulbs have a different spacing for the tabs to get you to buy their EXPENSIVE bulbs low performance bulbs! What you do is clip off the lower two tabs on your aftermarket bulb, slide this adapter over, and you have a perfectly fitting aftermarket bulb you can use on your Honda motorcycle.
