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2003-2004 YZ450F/WR450F

  • Machined from 2618 T6 high tensile forged aluminum

  • Dome/Dish features smooth flowing radii and require no deburring or preparation

  • JE designs are specifically engineered for extreme applications including professional competition

  • Pins, pin fitment, lock and rings included
2003-2004 YZ450F/WR450F
Std Bore: 95mm
Piston
Kit #		 Disp. Bore
Size		 Over
Size		 Comp
Ratio		 Gram
Wt (g)		 Skirt
Style		 Ring # Pin # Lock # Gasket # Sleeve # Footnote
247944 449cc 95mm STD 12.5:1 296 FSR XS9500 708-2050-16-93C 708-050-MW JC7947
209289 449cc 95mm STD 13.5:1 302 FSR XS9500 708-2050-16-93C 708-050-MW JC7947
222087 478cc 98mm +3mm 12.5:1 293 FSR XS9800 708-2050-16-93C 708-050-MW JC7787 M

- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.

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