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2008-2014 GSX 1300R

  • 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, wire locks and rings included

  • FSR piston shown
2008-2014 GSX1300R HAYABUSA
Std Bore: 81mm
Piston
Kit #
Disp. Bore
Size
Over
Size
Comp
Ratio
Gram
Wt (g)
Skirt
Style
Ring # Pin # Lock # Gasket # Sleeve # Footnote
274089 1340cc 81mm STD 9.0:1 238 Round JC8658 T
284734 1340cc 81mm STD 13.0:1 223 Round JC8658
274085 1340cc 81mm STD 13.5:1 225 Round JC8658
274090 1407cc 83mm +2mm 9.0:1 250 Round JC8497 T
274086 1407cc 83mm +2mm 13.5:1 225 FSR JC8497
274087 1441cc 84mm +3mm 13.5:1 234 FSR JC8621
274088 1441cc 84mm +3mm 14.5:1 228 FSR JC8621
284735 1476cc 85mm +4mm 13.5:1 237 FSR JC8622
284736 1476cc 85mm +4mm 14.5:1 237 FSR JC8622


2008-2014 GSX1300R HAYABUSA TURBO - Tall Deck
Std Bore: 81mm
* Turbo Application ¥ Must run base spacer #JC7121
Piston
Kit #
Disp. Bore
Size
Over
Size
Comp
Ratio
Gram
Wt (g)
Skirt
Style
Ring # Pin # Lock # Gasket # Sleeve # Footnote
300270 1340cc 81mm STD 9:1 247 FSR XG8100 708-2050-16-93C 708-050-MW JC8656 T
300269 1340cc 83mm +2mm 9:1 258 FSR XG8300 708-2050-16-93C 708-050-MW JC8497 T

- 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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