This is an aftermarket HIGH PERFORMANCE clutch fiber friction plate and steel plates and spring kit for your Yamaha YFZ450 2007-2009 with a carb
Perfect for modified bikes (or stock bikes) - the springs are 15% stronger than stock, so they can handle more HORSEPOWER without slipping
These are not the cheap-o clutch kits available on eBay - these will actually let you get ALL the usable power from your motor down to the ground, even if you double your HP on your ATV!
Not recommended for bike with 100+ HP,
Will fit any year Yamaha YFZ 450 carburater models 2007 2008 2009