ARCTIC CAT
BOMBARDIER
HONDA
KAWASAKI
POLARIS
SUZUKI
YAMAHA
2006-2008 YFZ 450          
  • 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

  • Designed to fit 2mm oversized valves

  • Pro Series piston shown
  • Std Bore: 95mm
    Disp. Bore Size Over Size Piston Kit # Comp Ratio Gram Weight Skirt Style Ring # Pin # Lock # Gasket # Sleeve #
    449cc 95mm STD 247957 12.5:1 NEW FSR XS9500 787-2050-14-52C 787-050-MW OEM Deglaze Only
    449cc 95mm STD 247956 13.5:1 NEW FSR XS9500 787-2050-14-52C 787-050-MW OEM Deglaze Only
    459cc 96mm +1mm 247955 13:1 NEW FSR JG5001-3780 787-2050-14-52C 787-050-MW Call Bore & Replate
    469cc 97mm +2mm 247953 13:1 NEW FSR XS9700 787-2050-14-52C 787-050-MW Call Bore & Replate
    478cc 98mm +3mm 247952 13:1 NEW FSR XS9800 787-2050-14-52C 787-050-MW Call Bore & Replate

    PRO Series - 2 Ring
    Std Bore
    : 95mm
    Disp. Bore Size Over Size Piston Kit # Comp Ratio Gram Weight Skirt Style Ring # Pin # Lock # Gasket # Sleeve #
    449cc 95mm STD 261555 13.5:1 NEW FSR ZS9500 787-2050-16-93C 787-050-MW OEM Deglaze Only

    PRO Series - 3 Ring
    Std Bore
    : 95mm
    Disp. Bore Size Over Size Piston Kit # Comp Ratio Gram Weight Skirt Style Ring # Pin # Lock # Gasket # Sleeve #
    449cc 95mm STD 274209 13.5:1 NEW FSR XS9500 787-2050-16-93C 787-050-MW OEM Deglaze Only


    - 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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