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About BBR Motorsports 143CC Big Bore Kit with Cam

BBR Motorsports 143CC Big Bore Kit with Cam

  • Bolt on and go
  • The largest displacement bore kit available without the need to bore engine cases
  • Kit includes aluminum plated cylinder, BBR motocross-grind camshaft, piston kit and gasket
  • Add 26mm carb kit for the best performance gains.
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