🏁 Elevate Your Performance with Precision Engineering!
The Wiseco Piston Kit Standard (92 mm) is designed specifically for Yamaha YZ400F models from 1998-1999. This kit features a lightweight forged piston for enhanced throttle response and maximum torque, along with computer-engineered skirt profiles that minimize friction. It includes everything you need for installation: piston, rings, wristpin, and circlips.
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