Description
If you’re running a Holley 4150 carb and want to unlock higher airflow capacity, this retrofit kit eliminates the need for a complete carburetor swap. The HP main body upgrade transforms your existing 750 CFM carburetor into a higher-performance unit without replacing the entire assembly—a cost-effective solution for serious street and competition builds. By upgrading to an HP-spec main body, you’ll improve throttle response and fuel delivery consistency across your engine’s RPM range.
- 750 CFM capacity
- HP main body
- 4150 retrofit design
- Aluminum construction
- Chromate finish
- Bolt-on installation
- Holley compatible
- MPN: 134-300C
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