Quick Fuel Technology 34-77QFT QFX 3 Circuit Billet Metering Block

The Quick Fuel Technology 34-77QFT QFX 3 Circuit Billet Metering Block is a precision-machined upgrade component designed for serious carburetor tuning. This billet aluminum metering block features 5 adjustable emulsion channels, allowing you to fine-tune fuel delivery for optimal engine performance across various operating conditions.

Key Features:

• CNC-machined billet aluminum construction for superior durability and heat dissipation
• 5 adjustable emulsion channels for precise fuel atomization control
• Fully adjustable 3rd circuit with discharge and pickup adjustment capability
• Stainless steel idle mixture screws with nylon seals for precise idle tuning
• Adjustable idle feed restrictions, supplied with 0.037" orifices
• Exclusive QFT positive retaining vent baffle to prevent fuel spillage
• Non-stick gaskets included for easy installation and maintenance
• Detailed installation instruction sheet included

This metering block requires QFT 6-32 thread bleeds for custom modifications. The three-circuit design provides complete control over main, secondary, and third circuit fuel delivery, making it ideal for race applications, modified street engines, and any application where precise carburetor calibration is critical. Compatible with Quick Fuel Technology carburetors and other Holley-style four-barrel carburetors.