Come with extended mounting hardware, Different Bolts for different heights, you don't need to buy anything else. Fit for Harley models with standard 3.5" on-center mounting Fitment: Fit for Harley most Dyna / Street bob / Sportster / Softail '18-later FLFB, FLFBS, FLSL, FXBB, FXBR, FXBRS, FXDRS, FXFB, FXFBS, FXLR, FXLRS, FXLRST and '14-later Road King® models (Note: for 883L/X48 model you may need to change the Upper Clamp) Fitment Notes: 3.5 inch center to center spacing is direct fit to most OEM Harley models including (Dyna, Sportster, Softail, etc.) Gauge mounting brackets sold separately if required May require longer cables/brake lines depending on model and handlebar style 1-inch diameter clamps are for OEM sized Harley handlebars.
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