GZP Black Dual throttle sleeve only

This is something you won't find in a Harley parts catalog. Throttle sleeves for use with single throttle cable as found on most models 1974 thru 1980, or, what is commonly known as "dual throttle" but in fact for throttle and return (idle) cable as found on most models 1981 to present, as well as a sleeve models with Fly-By-Wire throttle control, such as all 2008 to present Touring, selected Softail CVO models, and all 2016 to present Softail.