Quick Fuel Fx-4712-b1 4500 Flange 1250 Cfm Gas Blower Supercharger Carburetor on 2040-parts.com

FX PART # FX-4712-B1 4500 FLANGE CUSTOM 1 X 4 SINGLE BLOWER SUPERCHARGER GASOLINE Carburetor 4500 FLANGE 1250 CFM  1.900 VENTURI,  3 CIRCUIT METERING. 

PAY BY 4:00 PM CST M-F & WE WILL UPS THE SAME DAY THX 

The all-new, all-aluminum Quick Fuel Technology QFX Carburetor is the most innovative product 

The QFX distinctive lightweight aluminum main body features a lengthened venturi section for greater mid-range torque, which is great for both throttle stop and bracket racing. Heads up racers will benefit from the raised intermediate system that provides a stronger signal and enhanced air entry section for better flow to the booster venturi. This purpose-built main body is designed with the racer in mind (Patent# D578,5505). Splits are available too!

The CNC-machined and drilled billet aluminum booster inserts provide a refined air entry and exit for improved fuel emulsion resulting in superior combustion. The red gas version has 12 discharge holes versus the conventional 8. QFX carbs come with all-new billet metering blocks specifically designed for each application; gas. The cast-aluminum fuel bowls combine strength, reliability and feature dual threaded fuel inlets and dual sight glass for easy float level setting. Dedicated floats for specific applications ensure maximum performance without additional upgrade components.

The QFX carbs feature QFT's external linkage with four different links to select the amount of primary throttle opening before the secondaries open: Moderate Progressive (25%), Medium Progressive (40%), Full Progressive (50%) and 1:1.

 &  carb comes with 1 OPEN base gasket, & 1- 4 hole base gasket, & comes with 2 #8 fuel fittings to.

PRIMARY MAIN JET  86
SECONDARY JET  96
IDLE AIR BLEED  42/42
HI SPEED BLEED  31/31
PRI NOZZLE  42
SEC NOZZLE  42
NEEDLE & SEAT  .130

INTERMEDIATE BLEED 80/80

POWER VALVE 3.5

BOOST REFERENCE

NEW #FX 4712-B1 GAS BLOWER SUPERCHARGER drag race Carburetor 1250 CFM  1.900 Venturi,  

1250 CFM Gas QFX -1.900" venturi X 2.250" throttle bore - The ultimate drag race supercharger carburetor is the QFX with it's new raised venturi design. Improved throttle response and increased consistency are all part of the package. this carburetor will help you get to the winner's circle.

• QFX All new aluminum main body w/raised venturi
• Billet aluminum metering blocks with screw in restrictions
• Aluminum fuel bowls with dual sight windows and fuel inlets
• Nitrophyl® Floats (notched rear) and jet extensions
• Viton .130" Needles and Seats
• Billet Aluminum annular booster inserts
• External Linkage
• Hand assembled and engine tested

BIDDER PAYS FIXED UPS SHIPPING $0 S/H, AK, HI, PR, WILL PAY ACTUAL SHIPPING CHARGE,    IF YOU NEED TECH HELP FOR PICKING A CARB, TECH HELP ONLY( NO ORDERING) -----> 270-793-0900 BE SURE TO CHECK OUT MY OTHER AUCTIONS IN THIS CATAGORY,  CLICK MY STORE TAG FOR MORE------>--->--->  

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