This Clutch Plate Kit is suitable for Yamaha WR450F 2005-2018, YZ450F 2007-2018, XV920 1981-1983.. Material: Made of Aramid Fiber and Steel. Plates feature a starburst groove pattern for maximum heat dissipation and oil circulation.. Increased flywheel effect of steel plates improves power spread. More stronger, more positive clutch engagement ideal for high-performance stroker motors. This kit overcomes the stack heigh problem by completely resetting the vehicles clutch stack height..
