Kuryakyn 8519 Adjustable Enrichener Since 1989, Kuryakyn has been the world's leading provider of innovative and stylish bolt-on chrome parts and accessories for a wide variety of motorcycles. From Harleys to Hondas, Kuryakyn has something for everyone and has now expanded the product line to include sport bikes and many others. Each item is sold separately. Note: These adapters require the purchase of longer breather bolts when used with Kuryakyn Crankcase Breather Kits for EVO. Notes: Enrichener for S&S E or G.