HIPA Carbon Brush Alternator for HONDA 177F 182F 188F 190F 4000W 5000W 6500W 7000W Generator Size: mounting holes distance (hole center to center): 25  0.50mm (about 1 inch) Mounting Hole diameter: 6.0  0.25mm (about 1/4 in) Fits 4kw-7kw generator equipped with 177f(9hp), 182f(11hp), 188f(13hp) and 190f(14hp) gasoline engine should be used together with an avr Qty: 2