Big bore engines for the Honda Grom 125 will require a larger throttle body so that your engine can perform and run optimally. Koso 34mm Throttle Body will do just that and this is the required intake manifold to match that throttle body! Perfect for displacement of 180cc and higher!

NOT AVAILABLE FOR SALE OR USE IN CALIFORNIA.

ANY ORDERS FROM CA RESIDENCE WILL BE CANCELLED AND REFUNDED.