Page 613 - 2022-23 Auto Performance Drag Racing

Four-Door Power Valve
DRAG RACING
Innovative four-door power valve has more flow capacity, quicker response rate, and tighter limit bands, allowing fuel enrichment to be more precisely tuned.
Part No. Description
Power Valve Plug QFT25-1
Plug blocks the power valve circuit, and is
sold complete with gasket. An enrichment
of 6 to 8 jet sizes is generally recommended to compensate for the loss of enrichment.
Needle and Seat Assemblies
Assemblies are designed to provide perfect align- ment and optimum fuel flow, while the large stem base offers a more accurate response to movement of the float arm. Sold each.
QFT25-25
2.5" Hg.
QFT25-35
3.5" Hg.
QFT25-45
4.5" Hg.
QFT25-50
5.0" Hg.
QFT25-55
5.5" Hg.
QFT25-60
6.0" Hg.
QFT25-65
6.5" Hg.
QFT25-75
7.5" Hg.
QFT25-85
8.5" Hg.
Part No. Description
Center-Hung Floats and Accessories
QFT18-2
Viton .110" Needle and Seat, Gasoline, Adjustable
QFT18-3
Viton .120" Needle and Seat, Gasoline, Adjustable
QFT18-4
Viton .130" Needle and Seat, Gasoline, Adjustable
QFT18-10
Stainless .130" Needle and Seat, All Fuels, Adjustable
QFT18-11
Stainless .150" Needle and Seat, All Fuels, Adjustable
QFT18-12
Titanium .150" Needle and Seat, All Fuels, Adjustable
Accelerator Pumps and Accessories
“Shortie" Vent Whistle QFT59-10
Vent baffle secures without the need for a retaining pin.
Air Bells
Compatible with Quick Fuel Technol- ogy or other popular Holley-style carburetors, Air Bells help improve air flow into the carburetor.
Part No. Description E85 Fuel Test Tube QFT36-E85
Part No.
Description
QFT16-9
Standard Replacement Street/Strip Float, Methanol Resistant
QFT16-11
Notched Nitrophyl Float, Methanol Resistant
QFT16-105
Float Hanger Kit
QFT16-9
QFT21-103
QFT200-1
Air Bell for 4150 Carburetor, 1-3/4 H x 10-1/2" OD
QFT200-2
Air Bell for 4500 Carburetor, 1-1/2" H x 12-3/4" OD
Part No.
Description
QFT21-103
50cc Accelerator Pump Kit, Carbs with QFT Aluminum Pump Housing
QFT21-106
30cc QFT Aluminum Pump Cover
QFT63-3
30cc Accelerator Pump Arm, 4150-Style Carbs
QFT63-4
50cc Accelerator Pump Arm, 4150-Style Carbs
QuickSet Adjustable Secondary
QFT63-1
Check the percentage of ethanol content in E85 quickly and accurately. Simply add water to the specially calibrated test tube to the specified line. Fill the rest of the tube with E85 fuel. Proceed to shake the contents and let it sit for a few minutes. A line of separation will then display the fuel percentage.
QuickSet allows quickly adjusting timing and opening rate of vacuum secondary carburetors.
Aluminum Fuel Bowl Conversion Kit
QFT34-100
Kit includes (2) lightweight alumi- num, dual-inlet/dual-window fuel bowls, fuel bowl screws, and reus- able nylon screw washers. Fuel inlets are 7/8"-20.
4150 Flange Gasket QFT8-1107
Non-stick flange gasket features a four-hole design and mates 4150 4-barrel carburetor to intake manifold.
Fuel Inlet Fittings Part No.
Description
QFT19-6
Center-Hung Bowl Fitting, 7/8"-20 x -6AN, Long
QFT19-20
Fuel Bowl Fitting Plug, 7/8"-20
QFT19-20
Jim Overmyer
611
2022-23