55-58mm Max Flow Throttle Body (for 2008-2016 Twin Cam)

HPi Electronic Throttle Bodies are designed to increase airflow and improve horsepower while maintaining compatibility with factory map sensors, fuel rails and cruise control. For 2008-2016 H-D® Big Twins, also available in B2 and B3 options.

The 55mm throttle body and 58mm manifold intake diameter can be selected from the original 1.660, 1.710, 1.730, 1.760, and 1.800.

Fits: 2008-2016 96-107 cubic inch twin cam engines (electronically controlled throttle vehicles)