Page 495 - VSI Master Catalog
P. 495
hoT roD carBureTors
• Universal features of mechanical secondary carburetors include changeable air bleeds and high speed for ultimate tuneability.
• Aluminum fuel bowls with sight glass window. Tuneable secondary opening rate. 4 corner idle system. Down leg boosters on all models except HR-650.
Mechanical secondary Models
sTainless sTeel Dual feeD carBureTor asseMBlies
• Complete assembly with red & black
QFTHR-580 QFTHR-680 QFTHR-780
580 CFM 680 CFM 780 CFM
pressure regulaTor DiaphragM kiTs
600 CFM 650 CFM 750 CFM
anodized fittings.
QFTHR-600
QFTHR-650
QFTHR-750
vacuum secondary Models
QFT34-600 QFT34-800 QFT34-4150-6
QFT34-4150-8 QFT34-4500-8P
P-Series Carb Only. 6AN Inlet, 8AN Bowl Fitting P-Series Carb Only. 8AN Inlet, 8AN Bowl Fitting Q-Series and Holley® Carbs. 6AN Inlet,
7/8-20 Bowl
Q-Series and Holley® Carbs. 8AN Inlet, 7/8-20 Bowl
QFX Series or Holley® Model 4500 8AN Inlet, 7/8-20 Bowl Thread
quick fuel carBureTor accessories
aDJusTaBle vacuuM seconDary kiT
• Allows you to adjust the vacuum
secondary rate.
QFT63-1 Adjustable Vacuum Kit
seconDary iDle & puMp caM BrackeT
• Allows you to adjust the secondary idle stop manually on a 4150 style carburetor.
QFT63-2 Secondary Idle and Pump Cam Bracket
seconDary plaTe conversion kiTs
• Includes a billet metering plate, gaskets, trans- fer tube O-rings, seals, notched float and return spring.
QFT34-2 Side Pivot Float
QFT34-3 Center Pivot Float
BilleT MeTering Blocks for DouBle puMpers
• Double pumper billet metering block
conversion kit for standard calibration
screw-in idle feed restrictors. Primary
side with timed or ported vacuum provisions Four mixture screw system. (Must have correct throttle body).
QFT34-105 Double Pumper Metering Block Kit
MeTering coMponenTs
• Upgrading the metering block to a more aggressive calibration is the key to unlocking the true potential of a performance engine.
QFT35-100 QFT35-1100
Replacement Diaphragm with Spring for Holley® and QFT® Regulators
GFLT Diaphragm (Alcohol), with Spring; 1 ea.
BilleT aluMinuM aDJusTaBle fuel log
• CNC machined for a precision fit of all dual feed carbure- tors. Sealed with four O-rings to ensure a leak-proof seal. Adjustable from 8-21/32” model #4160 to
13-1/4” Dominator carbs. 8AN inlet. Pol-
ished aluminum, black fittings. QFT34-900 Billet Fuel Log (Adjustable)
quick carB kiTs
• Performance rebuild kits. Features ISO-9000 machined needle and seat assemblies with accelerator pump diaphragms. Precision die-cut gaskets feature nylon inlet nut and bowl screw gasket.
QFT3-2000 QFT3-2001
QFT3-2002 QFT3-2003
Model 4160 Vacuum Secondaries 390/600/750 CFM Model 4160 Vacuum Secondaries 390/600/750 CFM, w/Pump Cutout
4150 Double Pumper Carbs List # 4776-4781, 9380 Center Squirter Carbs List 4223 & 4224
super reBuilD kiTs
• Everything you need for a complete carburetor over-haul.
QFT34-4 Quick Fuel 4150 Series Carburetors, 4 Emulsion Style, Standard Calibration, Gasoline Only
QFT3-300
QFT3-301 QFT3-301C QFT3-301E QFT3-302
QFT3-303 QFT3-304
QFT3-305
Model 4160
4-bbl. Vacuum
Secondaries 390,
450, 600, 750,
850, CFM, List no.
1848, 1850, 3310, 9834, 80457, 80436
Model 2300 2bbl. Holley, List no.4412, 7448 Weber Center Carb Models
Weber Outer Carb Models
Model 4150 4-bbl Holley Double Pump Carbs, List no. 4776, 4777, 4778, 4780, 4781, 8156, 8162, 9379, 9380
Model 4500 Dominator, List no. 4575, 6464, 7320 Model 4150 4-bbl Holley Alcohol, List no. 9645, 9646, 80498
4150 Pro-Series Holley HP Carbs, List no. 80496, 80497, 80511, 80512, 80513, 80514, 80519
QFT34-6 Quick Fuel 4150 Series Carburetors, 4 Emulsion Style, Changeable Emulsion Bleeds, Alcohol Only
QFT34-7 QFX, and Holley® 4500 Style. 3 Circuit Billet Metering Block 5 Emulsion.Fully Adjustable.
QFT34-8 Standard Calibration, 3 Emulsion Primary, has Timed or Ported Vacuum Port for Street Use
QFT34-10 2 Circuit 5 emulsion. Fully Adjustable
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