Page 572 - 2020-2021 Racecar Engineering Drag Racing Parts and Accessories Catalog

2020 DRAG RACING

Four Door Power Valve Needle And Seat Assemblies
Innovative four-door power valve has more flow capacity, quicker response Assemblies are designed to provide perfect alignment and
rate, and tighter limit bands, allowing fuel enrichment to be more precisely optimum fuel flow, while the large stem base offers a more
tuned. accurate response to movement of the float arm. Sold each.
Part No. Description Part No. Description
QFT25-25 2.5" Hg. QFT18-2 Viton .110" Needle And Seat, Gasoline, Adjustable
QFT25-35 3.5" Hg. QFT18-3 Viton .120" Needle And Seat, Gasoline, Adjustable
QFT25-45 4.5" Hg. QFT18-4 Viton .130" Needle And Seat, Gasoline, Adjustable
QFT25-50 5.0" Hg. QFT18-10 Stainless .130" Needle And Seat, All Fuels, Adjustable
QFT25-55 5.5" Hg. QFT18-11 Stainless .150" Needle And Seat, All Fuels, Adjustable
QFT25-60 6.0" Hg. QFT18-12 Titanium .150" Needle And Seat, All Fuels, Adjustable
QFT25-65 6.5" Hg.
QFT25-75 7.5" Hg. Center-Hung Floats And Accessories
QFT25-85 8.5" Hg.
Part No. Description
Standard Replacement Street/Strip Float,
Power Valve Plug QFT16-9 Methanol Resistant
QFT25-1 QFT16-11 Notched Nitrophyl Float, Methanol Resistant
QFT16-105 Float Hanger Kit QFT16-9
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 “Shortie" Vent Whistle
the loss of enrichment.
QFT59-10
Vent baffle secures without the need for a retaining pin.
Accelerator Pumps And Accessories

Air Bells
Compatible with Quick Fuel Technology or
other popular Holley-style carburetors, Air Bells
help improve air flow into the carburetor.
Part No. Description
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
QFT21-103
Part No. Description
QFT21-103 50cc Accelerator Pump Kit, Carbs With QFT Aluminum Pump Housing E85 Fuel Test Tube
QFT21-106 30cc QFT Aluminum Pump Cover QFT36-E85
QFT63-3 30cc Accelerator Pump Arm, 4150 Style Carbs Check the percentage of ethanol content in E85 quickly and accurately.
QFT63-4 50cc Accelerator Pump Arm, 4150 Style Carbs
Simply add water to the specially calibrated test tube to the speci-
fied line. Fill the rest of the tube with E85 fuel. Proceed to shake the
QuickSet Adjustable Secondary contents and let it sit for a few minutes. A line of separation will then
QFT63-1
display the fuel percentage.
QuickSet allows quickly adjusting timing and
opening rate of vacuum secondary carburetors.
4150 Flange Gasket
QFT8-1107
Aluminum Fuel Bowl Conversion Kit Non-stick flange gasket features a four-hole design
QFT34-100 and mates 4150 4-barrel carburetor to intake
manifold.
Kit includes (2) lightweight aluminum, dual-
inlet/dual-window fuel bowls, fuel bowl screws,
and reusable nylon screw washers. Fuel inlets
are 7/8"-20.

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

Photo by: Matt Hauch Tyler Hassing

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