1 unit of head light bulb socket replacement for select motorcycles, this adapter also works to convert the H7 bulb base to the needed H4 base, replace 33130-MAT-611 and works with 34901-MAT-611 H7 bulb
Easy installation and direct repalcement, make sure the bulb 'clicks' into the socket. it's a tight fit and if it doesn't 'click' into place the time your hit your breaks the bulb will come out of the socket