WSM Platinum Series Top-End Kit
Contains: Top-end Gaskets and Pistons to rebuild one motor
Piston Bore Size: 81.75mm

*Actual Contents May Vary From Photo

Platinum Series pistons are made of high strength hardened aluminum. They are designed to prevent skirt and ring groove breakage. Piston walls are treated with a nonabrasive coating which reduces heat and friction for extended life.