The Quick Fuel 2-Circuit Metering Block fits 4150 and 2-circuit 4700 carburetors and is calibrated for out of box E85 performance. It uses fully adjustable calibration to fit most street and race carburetors. Add your jets and power valve to complete the installation. Additional carburetor modifications are required to run E85.
- Fits 4150 and 2-circuit 4700 carburetors
- 2-circuit design with fully adjustable calibration
- Calibrated for E85 performance
- Additional carburetor modifications required to run E85
- Requires your own jets and power valve to complete
- Quick Fuel part number 34-106QFT
FAQ
What carburetors does this metering block fit?
It fits 4150 and 2-circuit 4700 carburetors.
Is it set up for E85?
Yes, it is calibrated for out of box E85 performance, but additional carburetor modifications are required to run E85.
Do I need extra parts to install it?
Yes, you add your own jets and power valve to complete the installation.

