Check out this Quality V-Twin Wyatt Gatling internal throttle sleeve allows you to hide the throttle cable inside the bars for a clean sleek look.
The throttle features a ball bearing internal mechanism for a smooth throttle action. Measures 4-1/4" overall length for 1" handlebars. Requires handlebar modification and is to be used with billet grips to attach to the throttle sleeve.
More Information

More Information
UOM 1 - EA
Measurements
Larger End: .997" Smaller End: .810"  Area Length: 2-3/8"
Manufacturer Wyatt Gatling
Origin Imported

Tech Note
Must be used with billet grips.

FITS
Custom application