Horsepower Inc. Max Flow™ 58 mm Throttle Body – Black – for Harley-Davidson Twin Cam (1.76" Intake Runner, 2006-2017)
Take your Twin Cam’s performance to the next level with the Horsepower Inc. Max Flow™ 58 mm Throttle Body. Designed and precision-machined in the USA, this billet-aluminum throttle body is built for high-displacement Twin Cam engines that demand superior airflow and throttle response.
The 1.76-inch intake runner and internally-ported plenum are engineered to deliver exceptional mid- and top-end power without compromising low-speed torque. With sealed double-roller bearings for buttery-smooth throttle operation and a direct-fit bolt-on design, it’s the perfect upgrade for riders chasing efficient power delivery and crisp performance.
Key Features
High-Flow 58 mm Design: Improves cylinder fill and throttle response across the entire RPM range.
Fully Machined Billet Aluminum: Precision CNC-cut for strength, stability, and consistent airflow.
Internally Ported & Polished: Eliminates turbulence for maximum efficiency and horsepower gains.
1.76-Inch Intake Runner: Optimized for balance between torque and high-RPM output.