Krause Racing Sidewinder Titanium 45T Sprocket & 112 Link 520 O-ring Chain.
Both have been used but are in good condition, sprocket is showing some hooking and can be ran the opposite way which is brand new and un-touched.
Bolt pattern is for Suzuki LT500 (quadzilla)
Comes with master clip & o-rings
These will fit certain years Suzuki GSXR if you want to do a 520 conversion.
http://sidewindersprockets.com/$75 + the ride
Pm or Call
949-388-4111