Page 352 - 2020-2021 Racecar Engineering Drag Racing Parts and Accessories Catalog

2020 DRAG RACING

4150 Double Pumper Carburetors Competition Series Carburetors
Ideal for the “weekend warrior”, carbs include Dual feed, 4150 and 4160 series four-barrel
center hung float bowls, dual fuel inlets, carburetors are wet-flow tested and tailored
mechanical secondaries with dual ac- for racing with competition fuel curves,
celerator pumps, four-corner idle, dual center hung floats, four corner idle,
metering blocks, manual choke, and and deleted chokes.
power valve blow-out protection. Part No. Description
HLY0-9379 750 CFM 4150 Series Carburetor
HLY0-9381 830 CFM 4150 Series Carburetor
Description Dichromate Finish Shiny Finish HLY0-9380 850 CFM 4150 Series Carburetor
600 CFM Carburetor HLY0-4776C HLY0-4776S
650 CFM Carburetor HLY0-4777C HLY0-4777S
700 CFM Carburetor HLY0-4778C HLY0-4778S 4150 HP Carburetors
750 CFM Carburetor HLY0-4779C HLY0-4779S Carbs offer the hard-core drag racer all of the
800 CFM Carburetor HLY0-4780C HLY0-4780S
850 CFM Carburetor HLY0-4781C HLY0-4781S benefits of a modified carburetor at a fraction
of the cost. Venturi sections have been
4150 Ultra Double Pumper Carburetors modified, the through-hole machined,
Ideal for lightweight street and strip vehicles and air horn/choke have been elimi-
with manual transmissions or automatic nated for greater air flow. All carbs have
transmissions with high stall torque four-corner idle, high-flow power valves and
converters and low final drive gearing. accelerator pumps, and 4500 Dominator-style
Carbs have mechanical secondaries, dual fuel bowls. Available for gasoline or methanol.
Primary Secondary
fuel inlets, electric chokes, glass fuel level Part No. Description Secondaries Acc. Pump Acc. Pump Boosters
sight windows, and ports for vacuum, PCV, and HLY0-80540-1 600 CFM Gas Mechanical 30cc 30cc Straight-Leg
ignition (timed). Available with black, blue, hard-core gray, or HLY0-80541-1 650 CFM Gas Mechanical 30cc 30cc Straight-Leg
red anodized metering blocks and base plates. HLY0-80529-1 750 CFM Gas Vacuum 30cc N/A Down Leg
HLY0-80528-1 750 CFM Gas Mechanical 30cc 30cc Down Leg
Description Black Blue Hard Core Gray Red HLY0-80535-1 750 CFM Meth. Mechanical 50cc 50cc Down Leg
650 CFM Carburetor HLY0-76650BK HLY0-76650BL HLY0-76650HB HLY0-76650RD HLY0-80496-1 950 CFM Gas Mechanical 30cc 30cc Down Leg
750 CFM Carburetor HLY0-76750BK HLY0-76750BL HLY0-76750HB HLY0-76750RD HLY0-80498-1 950 CFM Meth. Mechanical 50cc 50cc Down Leg
HLY0-80513-1 1000 CFM Gas Mechanical 30cc 50cc Down Leg
4150 Street HP Carburetors
Tumble polished carbs have contoured venturi, 2-corner idle and are Track Warrior Carburetors
calibrated for outstanding throttle response. The Designed for lightweight NEW!
choice of double pumper or quick-change vacuum race vehicles with low
secondary models adds versatility. gearing, all-new aluminum carbure-
Part No. Description tors utilize the best features from
HLY0-82651 650 CFM Double Pumper Holley’s classic 4150 HP carbs with the
HLY0-82750 750 CFM Vacuum Secondary addition of billet metering blocks, billet base
HLY0-82751 750 CFM Double Pumper
HLY0-82851 850 CFM Double Pumper plate, and knurled (hand-adjustable) curb idle screws.
HLY0-82951 950 CFM Double Pumper The all-aluminum construction weighs 40% less than previous models. Black
billet metering blocks feature improved durability over cast blocks, while
Aluminum 4150 Street HP Carburetors fully adjustable emulsion bleeds, power valve channel restrictors, and idle
Weighing up to 40% less than traditional 4150 Street HP carbs, Aluminum feed restrictors are featured. Contoured aluminum main body incorporates
Street 4150 HP carburetors share many features with the race 4150 HP screw-in air bleeds for precision tuning capabilities.
models, but are engineered for street or light competition. Tumble-polished Part No. Description
shiny-finish carbs utilize screw-in air bleeds and street HP base plate with HLY0-67199BK 650 CFM Track Warrior Carburetor
vacuum ports for power brakes, PCV, etc. Optimized calibration helps HLY0-67200BK 750 CFM Track Warrior Carburetor
provide outstanding throttle response, superior driveability and maximum
performance, resulting in the ultimate street/strip carburetor. Offered with
mechanical or vacuum secondaries, carbs additionally
include four-corner idle and dual feed fuel inlets.
Part No. Description
HLY0-82651SA 650 CFM, Mechanical Secondary
HLY0-82751SA 750 CFM, Mechanical Secondary
HLY0-82851SA 850 CFM, Mechanical Secondary
HLY0-82951SA 950 CFM, Mechanical Secondary

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