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Koso North America

Koso® 170cc Big Bore Cylinder/Head Kit for Honda Grom

Regular price $1,039.95 USD
Regular price Sale price $1,039.95 USD
Sale Sold out
  • All parts are made from high-quality components for reliability and durability
  • Includes 170cc ceramic-coated cylinder, forged piston, performance camshaft, crankshaft bearing, rocker arms, 4-valve cylinder head, intake manifold, gaskets and more.
  • Free Shipping

    We offer free shipping on any order over $200!

  • Howling Tech Support

    Please feel free to call or email at any time for questions on our offerings.

Join the pack!

In addition to our online parts sales we offer great in house service and customization of your favorite bikes.