Kuryakyn, Iso-Throttle boss. Black contoured - For use with ISO-grips, ISO-flame grips and Transformer grips on Honda Gold Wing GL 1800 models with heated grips 927033 A leaking check valve inside

A leaking check valve inside the fuel tank of fuel injected models is a common issue

For die-cast S&S Evo rocker covers only

Gloss Black Contrast Machined anodized armor coated finish that will resist fading from heat or UV exposure

easy to handle

higher durability and longer life over conventional leather or vinyl

Kuryakyn, Iso-Throttle boss. Black contoured - For use with ISO-grips, ISO-flame grips and Transformer grips on Honda Gold Wing GL 1800 models with heated grips 927033 A leaking check valve insideThis Kuryakyn ISO throttle boss adds function and style to your ISO grips with a small, adjustable paddle positioned under the palm of your throttle hand. This allows you to relax your grip and yet maintain a constant speed.