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  1. BRAND NEW Finbro ECM's - Only - $129 - Low cost way to lower A/F Ratio 125cc bore

    HardRacing Performance
    . We've got Finbro ECM's in stock for the Honda Grom w/ a STOCK BORE. This is a low cost way to lower your A/F Ratio. They are NON-Programmable. You cannot make adjustments. And it does require cutting 2 of the wires from the stock ECM Harness and re-routing one of them. But, if you just...