Check the listing for details. Hayabusa Billet Aluminum Slave Support Block. Condition: New. Listed at 46.99 USD. This is a Hayabusa billet aluminum clutch slave support...They are made from 6061 billet aluminum stock... This is the heavy duty one that actually will repair your broken sprocket cover. If your cover is broken or cracked from excessive clutch spring pressure than you need one of these. Before you go out and buy a new sprocket cover get one of these supports and your done!!!!! Any time you increase the clutch spring pressure, you will eventually break the sprocket cover, it is just a question of when....There are similar ones like this that sell for $80 or more... These are very simple to install it takes about 5 minute once the side plastic is off, and it tucks right behind the over flow tank, so no modifications are required... These are raw aluminum finish Kit comes complete with all new mounting hardware Any questions feel free to contact me On May-22-09 at 21:25:29 PDT, seller added the following information: This support will fit models 1999-2007 Hayabusa ONLY!!!!