Suzuki Heavy Duty Clutch Springs
You might not need to use all the springs, if you're not having too much trouble with your clutch, using 3 of these springs will work fine on most street bikes.
Heavy duty clutch springs are great for modified engines or nitrous applications.
2008-2012 Hayabusa HD clutch spring kit comes with 3 springs.
2007 -2008 GSXR1000 HD clutch spring kit comes with 3 springs.