J.E. Pistons 247942 FSR Piston Kit - 3.00mm Oversize to 98.00mm, 13.0:1 Compression

Bore: 98.00mm
Compression: 13.0:1 Compression
Sizing: 3.00mm Oversize
Requires boring and replating

From Daytona to Bonneville, JE Pistons continues to set the standards in street bike piston design. JE has recorded wins at Daytona with American Hondas CBR600RR, low ETs on the drag strip and land speed records at Bonneville. Machined from 2618-T6 high tensile forged aluminum. Dome/ dish features smooth flowing radii; require no deburring or preparation. JE designs are specifically engineered for extreme applications including professional . Pins, pin fitment, lock and rings included. Made in the U.S.A.

This item fits the following vehicle applications:
2005-2006 fits YAM WR450F
2008 fits YAM WR450F
2005-2009 fits YAM YZ450F