THIS IS FOR 2 (TWO) H4 ADAPTER RINGS FOR THE:1990 - 2002 HONDA ST1100
2002 - 2013 HONDA ST1300
1993 - 1999 HONDA CBR900RR
1987 - 1999 HONDA CBR1000F HURRICANE
H4 headlight bulb adapter rings to allow aftermarket bulbs, such as regular or higher-end H4 bulbs 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! 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.