PISTON/RING KIT REPLACEMENT PART

27-5801

$143.37

Save $-143.37
4 in stock

Unleash all the power your Honda GROM can handle with the Koso 170cc Big Bore kit.

Kit includes:

  • Ceramic coated aluminum cylinder
  • 61mm bore, 11.5:1 compression ratio forged piston/ring kit (premium fuel required)
  • Includess top end gasket kit and banjo bolts

Additional parts required for proper operation; Fuel Tuner and aftermarket exhaust.  

***ECU Modification is mandatory to use this kit***

Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available.

Email Tristana@browardmotorsports.com

PISTON/RING KIT REPLACEMENT PART