These billet aluminum spacers are machined to raise your bars 2″ and fasten to your stock classic risers. That allows the drag bars enough room so the switch housing won't hit the tank when turned all the way. Our installation video, located just above the products, will show how easy they are to install. Be sure to click on the upper left hand corner of the video to see the list of videos to choose from. It only takes a few minutes to install these spacers!