"Engine-Tech Xtreme series supercharger impeller from Race Tech for Yamaha 1.8 liter supercharged engines. This billet aluminum impeller was computer designed for maximum efficiency and produced on a 5 axis CNC center. It then gets computer balanced and anodized for corrosion resistance. Every gram of excess weight was shaved from this impeller to make it the lightest impeller on the market without sacrificing strength. It is a full 17% lighter than the stock impeller for better clutch and shaft life. This impeller can produce up to an astonishing 16+ lbs of boost. Must be used with adjustable fuel regulator, high flow intercooler and ECU (Motec or equiv, Motec map available upon request) ". It is available from Hot Products USA with part No: ETYAMHO
