- Machined from 2618-T6 high-tensile forged aluminum
- Dome/dish features smooth flowing radii; requires no deburring or preparation
- Specifically engineered for extreme applications including professional competition
- Pro Series pistons available for select models: features include internal and external bracing, dedicated embossed forgings for weight reduction, specialized processes such as internal milling the internal struts, along with dedicated accumulator groove and forged side relief
- Includes pins, pin fitment, lock and rings
- Made in the U.S.A.
Yamaha -- WR 250 F -- (2005, 2010, 2011, 2012, 2013, 2007, 2009, 2008, 2006); Yamaha -- YZ 250 F -- (2011, 2010, 2005, 2007, 2008, 2012, 2006, 2009, 2013)