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2000-2007 525/520 SX/EXC/RFS/SMR

  • 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
2000-2007 525/520 SX/EXC/RFS/SMR
Std Bore: 95mm
Piston
Kit #		 Disp. Bore
Size		 Over
Size		 Comp
Ratio		 Gram
Wt (g)		 Skirt
Style		 Ring # Pin # Lock # Gasket # Sleeve # Footnote
221777 511cc 95mm STD 13.0:1 259 FSR ZS9500 787-2050-16-93C 787-050-MW JC7454
221776 543cc 98mm +3mm 13.0:1 297 FSR XS9800 787-2050-16-93C 787-050-MW JC7461 M


2000-2007 525/520 SX/EXC/RFS/SMR PRO SERIES
Std Bore: 95mm
Piston
Kit #		 Disp. Bore
Size		 Over
Size		 Comp
Ratio		 Gram
Wt (g)		 Skirt
Style		 Ring # Pin # Lock # Gasket # Sleeve # Footnote
274173 511cc 95mm STD 12.5:1 270 FSR ZS9500 787-2050-16-93C 787-050-MW Call
274174 511cc 95mm STD 13.0:1 275 FSR ZS9500 787-2050-16-93C 787-050-MW Call
274175 511cc 95mm STD 13.5:1 279 FSR ZS9500 787-2050-16-93C 787-050-MW Call

- 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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