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Quick Fuel QFX Series Carburetor
The ultimate drag race carburetor is the QFX with its new raised venturi design. Improved throttle response and increased consistency are all part of the package. Whether you use a throttle stop or run heads-up, this carburetor will help you get to the winner's circle. 4500 style base pattern.
- QFX aluminum main body with 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
Part Type: Carburetor
Model: 4500
Fuel Type: Gasoline
Application: Drag Race 1 x 4
Number of Barrels: 4
CFM: 1150
Choke Type: None
Fuel Inlet: Dual
Fuel Inlet Fitting Size: -6 AN ORB
Secondary Type: Mechanical
Throttle Linkage Type: Universal
Ford Auto Trans Kickdown: No
Main Body: Aluminum
Booster Type: Annular Billet Insert
Screw-In Air Bleeds: Yes
Metering: 3 Circuit
Primary Venturi Diameter: 1.800"
Base Plate: Integral with Main Body
Base Plate Pattern: 5.38" x 5.38"
Primary Throttle Bore Diameter: 2.000"
Secondary Throttle Bore Diameter: 2.000"
Primary Metering Block: Billet Aluminum
Secondary Metering Block: Yes
Primary Fuel Bowl: Center Hung Float, Aluminum
Secondary Fuel Bowl: Center Hung Float, Aluminum
Externally Adjustable Floats: Yes
Fuel Bowl Sight Windows: Dual
Primary Accelerator Pump: 50cc
Secondary Accelerator Pump: 50cc
Primary Main Jets: 94
Secondary Main Jets: 94
Jet Extensions: Yes
Quick Change Jet Ports: No
Needle & Seat: .130" Viton
Idle Bleed: .045"
Intermediate Bleed: .085"
Hi-Speed Bleed: .033"
Primary Power Valve: NA
Secondary Power Valve: NA
Primary Pump Nozzle Size: .037"
Secondary Pump Nozzle Size: .037"
Secondary Spring Color: NA
Finish: Shiny Tumble Polished/Red Anodized
Vacuum Port - Timed (Spark): No
Vacuum Port - Full Vacuum: No
Manufacturer: Quick Fuel Technologies
Manufacturer's Part Number: FX-4711
Weight: 12.6 lbs.
Warranty: Quick Fuel Technology warrants to the original purchaser only that its new and remanufactured products shall be free from defects in material and workmanship for a period of 90 days from date of purchase. In the event of a defect in material or workmanship, QFT will, at its option, repair or replace the product, or any defective part or parts thereof, without charge to the original purchaser. This warranty does not apply to products that have been modified or altered, subjected to misuse, neglect, accident, improper installation or adjustment, dirt or other contaminants, water, corrosion, faulty repair or used in other than those applications recommended by QFT.
Quantity: Sold as Each |