The addition of a Throttle Boss can make the difference between a quick trip and a cross-country adventure. They're simple to install and are easily adjustable to suit your needs. A larger surface area and pad provides even more comfort than the original design while still easing hand and forearm fatigue.Fitment Notes:*Multi-Fit: All Kuryakyn ISO-Grips, ISO-Flame Grips, Transformer Grips-Left Grip Only*Gold Wing Note: Will Not Work With Kuryakyn ISO-Grips P/N 6183 & 6383 (Call for Special Order).