fit for Yamaha ATV YFZ450 2004-2013 YZ450F 2003-2005 WR450F 2003-2006
Material: Nikasil coated cylinder.Its core advantages lie in its wear resistance and heat dissipation, directly solving two pain points of motorcycles: engine life and high temperature protection.
Cylinder Bore and Stroke:95.00mm x 63.40mm. Piston Compression 13.5:1
Note:Please make sure this item will fit your vehicle before you purchase.
Installation: Professional installation is highly recommended. No instruction included