A special check valve improves performance and significantly reduces pressure build-up that can cause oil leaks and seal seepage. Complete with one-piece filter moulded to a lightweight decorative end cap, chrome-plated zinc die-cast mounting base with 5/16" inlet and hose clamp. Fits Big Twin and Sportster models 75 and up when the stock breather hose has been re-routed.
Note
Big Twin & Sportster 75-later when the stock breather hose has been re-routed.