This TB Parts Cam Sprocket allows the use of the TB Parts Race Heads and also the V2 Race Heads on your 2010 and newer KLX110's - This includes "L" Models. This also allows you to use any 2002-2009 KLX/DRZ110 cylinder head on your engine. It does come with new bolts but please make sure they are the same thread size and pitch as your camshaft. If you are considering a race head or V2 head for your 2010 and newer KLX110 this is the cam gear you need! If you have any questions - please ask! We are here to help!