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Grom'13-20 Koso 170CC BIG BORE KIT W/4-VALVE CYLINDER HEAD

Purchase Grom'13-20 Koso 170CC BIG BORE KIT W/4-VALVE CYLINDER HEAD

Grom'13-20 Koso 170CC BIG BORE KIT W/4-VALVE CYLINDER HEAD

SKU: MB623003 Brand: Koso
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$987.99 Original Price $1,039.99

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Optional High-Flow Fuel Injector:
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Description

  • Koso ceramic coated big bore cylinder kit forged w/4-valve piston and gaskets
  • Koso 4-valve cylinder head (complete with camshaft, rocker arms, intake manifold, and all other parts shown in the picture)
  • Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
Increase power with the optional Koso Hi-Flow Fuel Injector which is chosen in the drop down menu


THIS KIT SHOULD BE INSTALLED BY TRAINED AND PROFESSIONAL MECHANICS

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Fits the items below

Click/tap each year button to see the bikes that fit:

  •   2013 Honda Grom
  •   2014 Honda Grom
  •   2015 Honda Grom
  •   2016 Honda Grom
  •   2017 Honda Grom
  •   2018 Honda Grom
  •   2019 Honda Grom
  •   2020 Honda Grom