Seller notes

Honda CBR 300/Grom swap 41 mm throttlebody. Hello these are brand new factory Honda complete throttlebody’s that have been professionally ported to 41 mm with larger butterfly and aggressive velocity stack style porting you will see large gains and performance especially middle and top end!!! I have seen large gains on the Dyno With this mod!!! Huge airflow rates you will hear your bike breathe! I personally run these throttle bodies on three of my bikes. Don’t skip out on this much needed e...

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