Fits 2004 Yamaha YFZ450 - [insert product title]. Includes piston, rings, wrist pin, clips, top end bearing, and gasket kit. MOS2 (Teflon/Molybdenum) Coated Skirts for increased heat transfer and reduced friction. Machined Smooth Heads reflect combustion heat and reduce carbon buildup.
Anodized Domes increase heat resistance and durability. Hypereutectic Casting Process provides higher silicon content for reduced expansion rates and additional wear resistance. Upgrade your engine with this top end repair kit. Features MOS2 Coated Skirts for increased heat transfer and reduced ...