The Quick Fuel Q-Series 750 CFM carburetor is a Model 4150 four-barrel purpose-built for the dragstrip. Notched floats and secondary jet extensions help control fuel under hard launches, and the high-flow aluminum main body keeps weight down. It runs mechanical secondaries on E85.
- Series: Q-Series
- Airflow: 750 CFM
- Model: 4150
- Configuration: 4-barrel
- Secondaries: Mechanical
- Material: Aluminum
- Finish: Polished
- Fuel: E85
- Part number: Q-750-E85
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?
No. 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 it provide?
It is rated at 750 CFM.
Does it use mechanical or vacuum secondaries?
It uses mechanical secondaries.
What fuel does it run on?
It is calibrated for E85.

