HORSEPOWER, INC Throttle Body - Black - 58/1.76 HPI-58D1-76B

If you're running a larger cubic inch motor, your OEM throttle body is likely your bottleneck—restricting airflow and leaving power on the table. The HORSEPOWER, INC 58mm throttle body replaces that constraint with a precision-engineered unit designed to flow substantial air while maintaining smooth, predictable throttle response. This is the upgrade that separates engines optimized for maximum output from those merely capable of it.

The internally ported and fully machined design eliminates flow dead zones, while the large plenum design extends your power band into the mid and high-rpm ranges where it matters most. Built in the U.S.A. with sealed double roller bearings, this throttle body delivers the durability and precision you need for both street and race applications.

• 58mm bore diameter
• Double roller bearing design
• Fully ported internally
• Large plenum chamber
• Bolt-on installation
• OEM-compatible components
• CNC-machined construction
• Made in U.S.A.
• Black finish
• MPN: HPI-58D1-76B