Q- Series 4150 Drag Race Alcohol Calibrated Carburetors From Quick Fuel Technology

Main Bodies

All New Quick Fuel Technology® Racing Carburetors Feature die cast aluminum main body with recessed air bleed cavities, polished main body, improved air flow. Venturi are die cast to exacting tolerances to provide "real world" venturi/throttle bore
combination, for throttle response and maximum wide open air flow.
Quick Fuel Racing Alcohol Carburetors Feature Screw-in air bleeds to enable fine tuning of both the idle and high speed systems.

Quick Fuel Q Series Racing Carburetors weigh 4.5 lbs. less than the leading
competition carburetor.

CNC-Machined with 4 stage emulsion provides more precise fuel metering. Improved throttle response and more uniform fuel performance curve.

Metering Blocks
Quick Fuel Billet metering blocks calibrated for Alcohol Racing are CNC-machined in-house and feature changeable idle feed and power valve channel restrictions.


Fuel Bowls
Die-cast aluminum for cooler fuel resulting in fewer fuel percolation problems.
Sight glass to monitor fuel level without risking fuel spillage.
All standard service replacement parts accepted.
Quick Fuel’s Alcohol Racing Carburetors HAve  aluminum fuel bowls featuring dual threaded fuel inlets and dual sight glass for convenient float level setting. 
Floats based on application, i.e. Alcohol Drag Race Carbs have notched floats & secondary   jet extensions.

Throttle Bodies
Quick Fuel Q-Series Racing Alcohol Carburetor throttle bodies are CNC-machined to exacting tolerances and provide exceptional strength. Slabbed Teflon® coated throttle shafts are assembled with Teflon® ribbon bearings, low-profile button head throttle plate screws result in maximum air flow with minimal throttle effort.
Mechanical secondary carburetors and all service throttle bodies come with an adjustable secondary cam bracket which allows the user to adjust the secondary air flow by simply turning a screw. 

Quick Fuel Q- Series Drag Racing Alcohol Carburetors - Built for the ultimate blend in performance and drive-ability. This carburetor features jet extensions and a notched float with all the tuning you features you would expect from a carburetor that's ready to race.

~ Aluminum main body, and fuel bowl with QuickSet sight windows on both sides make for easy float adjustment

~ Billet metering blocks and throttle body ensure leak and porosity-free sealing between circuits

~ Each carburetor is hand-assembled and engine tested in the USA!