Horsepower Inc. Max Flow™ 58 mm Throttle Body – Black – For Harley-Davidson Twin Cam Engines (1.76" Intake Runner)
Experience uncompromising performance with the Horsepower Inc. (HPI) Max Flow™ 58 mm Throttle Body, precision-engineered for Harley-Davidson® Twin Cam engines. Designed for riders demanding maximum airflow and horsepower, this CNC-machined billet aluminum throttle body delivers unmatched performance for big-inch and high-output builds.
With a 1.76" intake runner and a fully ported, internally polished design, the Max Flow™ 58 mm optimizes volumetric efficiency and throttle response. The sealed double roller bearing ensures smooth, consistent throttle operation, while the large plenum design increases mid- and top-end power.
Built to integrate seamlessly with OEM components, this throttle body is the go-to upgrade for serious Twin Cam performance builds. Proudly Made in the USA for riders who expect precision and results.
Key Features
Performance-Oriented Design: Ideal for large cubic-inch Twin Cam engines demanding higher airflow.