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Quick Fuel

Billet Metering Block Kit E85

2-Circuit Metering Block for 4150 and 2-Circuit 4700 carburetors

Part # 34-106QFT Be the first to write a review
Estimated shipping date: 10/29/2021
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Billet Metering Block Kit E85 - Fully Adjustable Our billet aluminum metering blocks are machined to very strict tolerances then anodized for protection and good looks. CNC cut from premium aluminum and filled with precision parts, these blocks provide the ultimate platform for your performance carburetor. Fully adjustable calibration for out of box E85 performance - designed to fit most real-world street & race carburetors. Simply add your jets and power valve to complete the installation. Includes the following items. Additional carburetor modifications will be required to run E85.


  • Adjustable idle feed restrictions - 0.043"
  • 4 adjustable emulsion channels
  • Non-stick gaskets
  • Exclusive QFT positive retaining vent baffle
  • Stainless steel idle mixture screws with nylon seals.
  • Detailed installation instruction sheet
  • (Requires QFT 6-32 thread bleeds for modification)

About Quick Fuel

“Innovators in fuel systems” is more than just a by-line. Since 1998, Quick Fuel Technology has grown exponentially culminating in the benchmark by which performance carburetors are measured. At QFT, our product innovation is only matched by our customer service.

BrandQuick Fuel
Emission Code5
Product TypeMetering Block Kit
WarrantyLimited 90 Day
Part Number34-106QFT

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Additional carburetor modifications will be required to run E85. (Requires QFT 6-32 thread bleeds for modification)
Limited 90 Day: See Details

    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.