Description
If you’re running a big-displacement engine that demands serious airflow, your OEM throttle body is likely your bottleneck. The HORSEPOWER, INC 58mm throttle body replaces both the stock throttle body and manifold with a precision-ported unit engineered specifically for high-displacement motors. Internal porting and a large plenum design translate to measurable gains in mid and high-rpm power delivery—the kind of improvement you’ll feel on the track or dyno.
- 58mm bore diameter
- 1.80″ inlet opening
- Double roller bearing
- Fully ported internally
- Large plenum chamber
- CNC-machined construction
- OEM-compatible mounting
- Drop-in replacement design
- Made in U.S.A.
- Fits large-displacement engines
- MPN: HPI-58D6-18B






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