For most motorcycles and ATV's only. This spacer kit will allow you to push out your bar end-weights when you install longer (5.25" or 5.75") Hot Grips. This may be needed to avoid friction between the bar weights and your throttle side grip. For Honda bikes, a special spacer kits are available as well.
10 spacers are in the kit with a 8mm hole and various thickness. You
can stack several spacers to obtain a combined thickness.
A spacer kit is only required if you have bar end-weights and are installing longer grips than the original.