Koso 170cc Big Bore Kit With 4V Head Honda Grom 2014-2020
Regular Price
$360.35
Sale Price
$360.35
Regular Price
$1,801.76
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Koso 170cc Big Bore Kit With 4V Head Honda Grom 2014-2020
Regular Price
$360.35
Sale Price
$360.35
Regular Price
$1,801.76
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Koso 170cc Big Bore Kit With 4V Head Honda Grom
This kit from Koso is for riders looking to push their Grom to the absolute limit, far past what Honda's engineers ever imagined.
To make this possible, Koso has paired their 170cc Big Bore Kit with a 4 valve head conversion.
Installation is no walk in the park; massive changes are required to turn the little Grom into a fire breathing beast. Be sure to check the fitment notes and review the additional requirements document below to make sure you are ready for the challenge.
Features:
- Greatly improved engine performance
- Increases cylinder displacement to 170cc
- Upgrades engine from 2 to 4 valves
- Stainless steel 24mm intake valves
- Stainless steel 20mm exhaust valves
- Performance cam shaft
Note: Additional parts are required, see the Additional Requirements/Information (pdf) below for additional information.
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Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.