The Quick Fuel HR-Series 680 CFM 4150 4-barrel carburetor (part HR-680-VS) is a performance carburetor built for non-emissions and racing use. It uses a vacuum secondary for its intended application. The aluminum body carries a polished finish. It is calibrated for Gasoline. Match carburetor airflow to the engine and vehicle before installation.
- Series: HR-Series
- Airflow: 680 CFM
- Model: 4150 4-Barrel
- Secondary: Vacuum
- Body material: Aluminum
- Finish: Polished
- Fuel type: Gasoline
Emissions
This carburetor is legal for sale and use on non-emissions-controlled (pre-emissions) vehicles and racing-use-only vehicles. It is not legal for sale or use on pollution-controlled motor vehicles. Verify your local requirements before purchase.
FAQ
Is it street or emissions legal?
It is a performance carburetor for non-emissions-controlled and racing-use vehicles; it is not legal for use on pollution-controlled motor vehicles.
How much airflow does the HR-680-VS carburetor flow?
It is rated at 680 CFM. Match carburetor CFM to your engine displacement and intended use for best results.
What secondary system does it use?
It uses a vacuum secondary. It is set up for racing use without a choke.
What fuel is the HR-680-VS calibrated for?
It is calibrated for Gasoline. Do not run a fuel it is not set up for without proper tuning.
