Air Filters Ventilator Kit Breather Kit, for Harley – Davidson 99-17. The description of this item has been automatically translated. 1 air filter breather kit for Harley Davidson Twin Cam A/B 1999 – 2017. We offer an air filter breather kit for all Harley – Davidson Twin Cam models 1999 – 2017 with CV carburetor or a Delphi injection system (the kit does not fit models with E – throttle cable). The kit is absolutely top-quality and chrome-plated to a high gloss. We stock these breather kits for all Evolution, Twin Cam carbureted and Sportster models 1986 thru 2003 with a Keihin CV carburetor. In our program you will find many more beautiful custom parts, such as exhaust systems, handlebars, risers, etc. 1 air filter breather kit for Harley Davidson Twin Cam A/B 1999 – 2017 We offer an air filter breather kit for all Harley – Davidson Twin Cam models 1999 – 2017 with CV carburetor or a Delphi injection system (the kit does not fit models with E – throttle cable).