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Precision CNC machining ensures perfect fitment while the Viton seals can handle extreme heat without deteriorating
High compression set for use with 110 octane fuel
Compatible with all LT80 and KFX80 models and years
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Namura 11:1 102mm OEM stock bore piston kit (includes rings
Cylinder Piston Gasket Top End Rebuild Kit Yamaha Grizzly 660 Wiseco Cometic Kit WPP3031 Precision CNC machining ensures perfectC7798,4811M10200,4966M10200,5KM 11310 00 00,80 82600,YF 11181 00 00,810852,191070043070,3YF 11351 00 00,3YF 11181 00 00,2C6 11603 00 00,93450 24028 00,3YF 11631 00 X0,3YF 11633 01 00,90201 102G9 00,90105 10649 00,90105 09648 00,C7798 EST,DPR 8EA90 00 00,3YF 11310 01 00,261528,261527,272149,M1016B,8507D200 Unlock the full power of your Yamaha 660 with this top of the line Big Bore Top End Kit. Squeeze every last ounce of power from your Yamaha 660 with
US$ 60.00
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US$ 39.99