S&S Throttle Hog 58mm Throttle Body For Harley With 117 Hot Set Up Kit S&S Cycle has a long history of developing performance parts for Harley V-twin engines, and the Throttle Hog line is built with increased airflow in mind. This 58mm throttle body is designed for applications using the 117 Hot Set Up Kit, giving riders a performance-oriented component for their engine build. Features: Get the most out of your big bore engine with S&S Cycle Throttle Hog throttle Bodies More air flow for improved performance S&S Cycle Stealth air cleaners kit, with the proper bore sizes, are available Works with all air cleaner kits designed for throttle by wire engines with stock breather system One-piece design for easy installation and stock appearance Compatible with stock sensors, fuel rail, and throttle cables Black powder coat finish matches stock Sealed, stainless steel throttle shaft with dual roller bearings for smooth operation and no air leaks Kit includes hardened steel flanges and seals No stock throttle body exchange required! Fits engines with 117 Hot Set Up Kits Has 408 manifold size